{"id":753435,"date":"2025-01-17T12:45:29","date_gmt":"2025-01-17T07:15:29","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=753435"},"modified":"2025-07-30T14:54:30","modified_gmt":"2025-07-30T09:24:30","slug":"units-and-measurements-mcq-class-11-physics","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/","title":{"rendered":"Units and Measurements MCQ Class 11 Physics"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Class_11_Physics_Units_and_Measurements_Overview\" title=\"Class 11 Physics Units and Measurements Overview\">Class 11 Physics Units and Measurements Overview<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Physical_Quantities\" title=\"Physical Quantities\">Physical Quantities<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Systems_of_Units\" title=\"Systems of Units\">Systems of Units<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Measurement_Techniques\" title=\"Measurement Techniques\">Measurement Techniques<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Dimensional_Analysis\" title=\"Dimensional Analysis\">Dimensional Analysis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Significant_Figures\" title=\"Significant Figures\">Significant Figures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Errors_in_Measurement\" title=\"Errors in Measurement\">Errors in Measurement<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Precision_and_Accuracy\" title=\"Precision and Accuracy\">Precision and Accuracy<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Uncertainty_in_Measurement\" title=\"Uncertainty in Measurement\">Uncertainty in Measurement<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Instrumental_Errors\" title=\"Instrumental Errors\">Instrumental Errors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Applications_of_Units_and_Measurements\" title=\"Applications of Units and Measurements\">Applications of Units and Measurements<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Class_11_Physics_Units_and_Measurements_MCQ_Questions_and_Answers\" title=\"Class 11 Physics Units and Measurements MCQ Questions and Answers\">Class 11 Physics Units and Measurements MCQ Questions and Answers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#FAQs_on_Units_and_Measurements_MCQ_Class_11_Physics\" title=\"FAQs on Units and Measurements MCQ Class 11 Physics\">FAQs on Units and Measurements MCQ Class 11 Physics<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#What_are_Units_and_Measurements_in_Class_11_Physics\" title=\"What are Units and Measurements in Class 11 Physics?\">What are Units and Measurements in Class 11 Physics?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Why_are_MCQs_important_for_Units_and_Measurements_in_Class_11_Physics\" title=\"Why are MCQs important for Units and Measurements in Class 11 Physics?\">Why are MCQs important for Units and Measurements in Class 11 Physics?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#How_can_I_prepare_for_Units_and_Measurements_MCQ_questions_effectively\" title=\"How can I prepare for Units and Measurements MCQ questions effectively?\">How can I prepare for Units and Measurements MCQ questions effectively?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-units-and-measurements\/#Where_can_I_find_Units_and_Measurements_Class_11_MCQ_questions_with_answers\" title=\"Where can I find Units and Measurements Class 11 MCQ questions with answers?\">Where can I find Units and Measurements Class 11 MCQ questions with answers?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p><strong>Units and Measurements multiple choice questions<\/strong> (MCQs) are a powerful way to strengthen your understanding of concepts and prepare effectively for exams. For Class 11 Physics chapter 2 Units and Measurements, practicing <a href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/\"><strong>MCQs<\/strong><\/a> is essential to master the foundational topics like SI units, significant figures, dimensional analysis, and error measurements.<\/p>\n<p>These <strong>units and measurements class 11 mcq with answers<\/strong> not only help in revising the chapter quickly but also improve your problem-solving speed, making them an excellent tool for board exams and competitive tests like JEE and NEET. With resources like units and measurements class 11 mcq pdf download, students can access a comprehensive set of units and measurements mcq questions and answers for self-assessment.<\/p>\n<p>Solving units and measurements <a href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics\/\"><strong>mcq class 11 Physics<\/strong><\/a> ensures a clear grasp of the topic while building confidence for exams. Start practicing now and make the most of these valuable learning materials to excel in Class 11 Physics.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Class_11_Physics_Units_and_Measurements_Overview\"><\/span>Class 11 Physics Units and Measurements Overview<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Class 11 chapter 2 Units and Measurements is foundational for understanding physics as a precise and quantitative science. It focuses on the methods used to measure physical quantities, the systems of units, and the errors and uncertainties associated with measurements. This chapter lays the groundwork for problem-solving in physics by emphasizing the importance of accurate and reliable measurements.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Physical_Quantities\"><\/span>Physical Quantities<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Physical quantities are measurable attributes of physical phenomena.<\/li>\n<li>These are classified as <strong>fundamental quantities<\/strong> (e.g., length, mass, time) and <strong>derived quantities<\/strong> (e.g., velocity, force, energy).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Systems_of_Units\"><\/span>Systems of Units<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Fundamental Units<\/strong>: Independent units for fundamental quantities.<\/li>\n<li><strong>Derived Units<\/strong>: Units derived from fundamental units.<\/li>\n<li><strong>International System of Units (SI)<\/strong>:\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Base units: meter (m), kilogram (kg), second (s), ampere (A), kelvin (K), mole (mol), and candela (cd).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Other systems: CGS, FPS (less commonly used).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Measurement_Techniques\"><\/span>Measurement Techniques<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Direct measurement: Using instruments like a ruler or stopwatch.<\/li>\n<li>Indirect measurement: Calculated using formulas and known quantities.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Dimensional_Analysis\"><\/span>Dimensional Analysis<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>The dimensions of a physical quantity are represented as powers of fundamental quantities (e.g., [M], [L], [T]).<\/li>\n<li>Applications:<\/li>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>Checking dimensional consistency<\/strong> of equations.<\/li>\n<li><strong>Deriving relationships<\/strong> between physical quantities.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Significant_Figures\"><\/span>Significant Figures<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Digits in a number that are reliable and contribute to its precision.<\/li>\n<li>Rules for identifying significant figures in measured values.<\/li>\n<li>Importance in calculations: Addition, subtraction, multiplication, and division.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Errors_in_Measurement\"><\/span>Errors in Measurement<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Systematic Errors<\/strong>: Reproducible inaccuracies due to equipment or methodology.<\/li>\n<li><strong>Random Errors<\/strong>: Variations due to unpredictable factors.<\/li>\n<li><strong>Absolute Error<\/strong>: Difference between measured and true value.<\/li>\n<li><strong>Relative Error<\/strong>: Ratio of absolute error to the true value.<\/li>\n<li><strong>Percentage Error<\/strong>: Relative error expressed as a percentage.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Precision_and_Accuracy\"><\/span>Precision and Accuracy<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Precision<\/strong>: Degree of agreement among repeated measurements.<\/li>\n<li><strong>Accuracy<\/strong>: How close a measurement is to the true value.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Uncertainty_in_Measurement\"><\/span>Uncertainty in Measurement<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Expressed using standard notation like <span class=\"katex\"><span class=\"katex\"><span class=\"katex\"><span class=\"katex\"><span class=\"katex-mathml\"><br \/>\n<math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mo>\u00b1<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">\\pm<\/annotation><\/semantics><\/math>\n<p><\/span><\/span><\/span><\/span><\/span>&nbsp;<\/p>\n<p><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\">\u00b1<\/span><\/span><\/span><\/span>.<\/li>\n<li>Combined uncertainties in addition, subtraction, multiplication, and division.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Instrumental_Errors\"><\/span>Instrumental Errors<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Least count: The smallest measurable value by an instrument.<\/li>\n<li>Vernier calipers and screw gauge: Used for precise measurements.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Applications_of_Units_and_Measurements\"><\/span>Applications of Units and Measurements<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Establishing universal standards.<\/li>\n<li>Ensuring consistency in experiments and calculations.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Class_11_Physics_Units_and_Measurements_MCQ_Questions_and_Answers\"><\/span>Class 11 Physics Units and Measurements MCQ Questions and Answers<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Question 1: The symbol to represent \u201cAmount of Substance\u201d is ________<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>K<\/li>\n<li>A<\/li>\n<li>Cd<\/li>\n<li>mol<\/li>\n<\/ol>\n<p><strong>Answer<\/strong>: <strong>(d) mol<\/strong><\/p>\n<p><strong>Explanation<\/strong>: The amount of substance is a basic physical quantity in the SI system and is measured in moles, represented by the symbol &#8220;mol&#8221;. It refers to the quantity of a substance containing the same number of entities (atoms, molecules, etc.) as there are in 12 grams of carbon-12.<\/p>\n<p><strong>Question 2: Which among the following is the Supplementary Unit?<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Mass<\/li>\n<li>Time<\/li>\n<li>Solid angle<\/li>\n<li>Luminosity<\/li>\n<\/ol>\n<p><strong>Answer<\/strong>: <strong>(c) Solid angle<\/strong><\/p>\n<p><strong>Explanation<\/strong>: Supplementary units are specific units used to measure plane angles and solid angles. Solid angle, measured in steradians, is considered supplementary because it complements the base units in describing spatial dimensions.<\/p>\n<p><strong>Question 3: What is the unit of solid angle?<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Second<\/li>\n<li>Steradian<\/li>\n<li>Kilogram<\/li>\n<li>Candela<\/li>\n<\/ol>\n<p><strong>Answer<\/strong>: <strong>(b) Steradian<\/strong><\/p>\n<p><strong>Explanation<\/strong>: A steradian (sr) is the SI unit used to measure solid angles in three-dimensional space. It is derived from the geometry of spheres, where one steradian is the angle subtended by an area on a sphere equal to the square of the radius.<\/p>\n<p><strong>Question 4: AU is the unit of ________<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Astronomy Unit<\/li>\n<li>Astronomical Unit<\/li>\n<li>Astrological Unit<\/li>\n<li>Archaeological Unit<\/li>\n<\/ol>\n<p><strong>Answer<\/strong>: <strong>(b) Astronomical Unit<\/strong><\/p>\n<p><strong>Question 5: Explanation<\/strong>: An Astronomical Unit (AU) is a standard unit of distance used in astronomy. It is approximately equal to the average distance between the Earth and the Sun, which is about 149.6 million kilometers.<\/p>\n<p><strong>Dimensions of kinetic energy are the same as that of ________<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Acceleration<\/li>\n<li>Velocity<\/li>\n<li>Work<\/li>\n<li>Force<\/li>\n<\/ol>\n<p><strong>Answer<\/strong>: <strong>(c) Work<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/chemistry\/\"><strong>NCERT Solutions for Class 11 Chemistry<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/\"><strong>NCERT Solutions for Class 11 Physics<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/biology\/\"><strong>NCERT Solutions for Class 11 Biology<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/maths\/\"><strong>NCERT Solutions for Class 11 Maths<\/strong><\/a><\/li>\n<\/ul>\n<p><strong>Question 6: Explanation<\/strong>: The dimensions of kinetic energy and work are identical because both represent energy. Kinetic energy is the energy of motion, and work is the energy transferred when a force moves an object. Both have dimensions of<\/p>\n<math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>M<\/mi><msup><mi>L<\/mi><mn>2<\/mn><\/msup><msup><mi>T<\/mi><mrow><mo>\u2212<\/mo><mn>2<\/mn><\/mrow><\/msup><\/mrow><annotation encoding=\"application\/x-tex\">ML^2T^{-2}<\/annotation><\/semantics><\/math>\n<p><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord mathnormal\">M<\/span><span class=\"mord\"><span class=\"mord mathnormal\">L<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\">T<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">\u22122<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>.<\/p>\n<p><strong>Farad is the unit of ________<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Luminosity<\/li>\n<li>Wavelength<\/li>\n<li>Permittivity<\/li>\n<li>Inertia<\/li>\n<\/ol>\n<p><strong>Answer<\/strong>: <strong>(c) Permittivity<\/strong><\/p>\n<p><strong>Question 7: Explanation<\/strong>: The farad (F) is the SI unit of capacitance, which quantifies a system&#8217;s ability to store electric charge. Permittivity relates to how a material influences the electric field and is measured in farads per meter.<\/p>\n<p><strong>Electron volt is a unit of ________<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Luminosity<\/li>\n<li>Frequency<\/li>\n<li>Force<\/li>\n<li>Energy<\/li>\n<\/ol>\n<p><strong>Answer<\/strong>: <strong>(d) Energy<\/strong><\/p>\n<p><strong>Explanation<\/strong>: An electron volt (eV) is a unit of energy commonly used in atomic and particle physics. It is defined as the amount of kinetic energy gained by an electron when it moves through a potential difference of one volt.<\/p>\n<p><strong>Question 8: Joule second is the unit of ________<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Force<\/li>\n<li>Angular momentum<\/li>\n<li>Energy<\/li>\n<li>Power<\/li>\n<\/ol>\n<p><strong>Answer<\/strong>: <strong>(b) Angular momentum<\/strong><\/p>\n<p><strong>Explanation<\/strong>: The joule second (Js) is the unit of angular momentum, which measures the rotational motion of an object. It is also associated with the quantization of angular momentum in quantum mechanics.<\/p>\n<p><strong>Question 9: The smallest value which is measured using an instrument is known as ________<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Absolute count<\/li>\n<li>Least count<\/li>\n<li>Round-off value<\/li>\n<li>Minimum count<\/li>\n<\/ol>\n<p><strong>Answer<\/strong>: <strong>(b) Least count<\/strong><\/p>\n<p><strong>Explanation<\/strong>: The least count of an instrument is the smallest measurement it can accurately detect. For instance, the least count of a standard ruler is typically 1 millimeter.<\/p>\n<p><strong>Question 1o: Which is the system of unit?<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>SMS system<\/li>\n<li>MKP system<\/li>\n<li>FPS System<\/li>\n<li>CJS System<\/li>\n<\/ol>\n<p><strong>Answer<\/strong>: <strong>(c) FPS System<\/strong><\/p>\n<p><strong>Explanation<\/strong>: The FPS system, also known as the Foot-Pound-Second system, is one of the older systems of units. In this system, length is measured in feet, weight in pounds, and time in seconds.<\/p>\n<p><strong>Get NCERT Solutions for Class 11 Physics All Chapters<\/strong><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-1-physical-world\/\">Chapter 1: Physical World<\/a><\/strong><\/li>\n<li><strong>Chapter 2: Units and Measurements<\/strong><\/li>\n<li><strong>Chapter 3: Motion in a Straight Line<\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-4-motion-in-a-plane\/\">Chapter 4: Motion in a Plane<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-5-laws-of-motion\/\">Chapter 5: Laws of Motion<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-6-work-energy-and-power\/\">Chapter 6: Work, Energy, and Power<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-7-system-of-particles-and-rotational-motion\/\">Chapter 7: System of Particles and Rotational Motion<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-8-gravitation\/\">Chapter 8: Gravitation<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-9-mechanical-properties-of-solids\/\">Chapter 9: Mechanical Properties of Solids<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-10-mechanical-properties-fluids\/\">Chapter 10: Mechanical Properties of Fluids<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-11-thermal-property-of-matter\/\">Chapter 11: Thermal Properties of Matter<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-12-thermodynamics\/\">Chapter 12: Thermodynamics<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-13-kinetic-theory-of-gases\/\">Chapter 13: Kinetic Theory<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-14-oscillations\/\">Chapter 14: Oscillations<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-15-waves\/\">Chapter 15: Waves<\/a><\/strong><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"FAQs_on_Units_and_Measurements_MCQ_Class_11_Physics\"><\/span>FAQs on Units and Measurements MCQ Class 11 Physics<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_Units_and_Measurements_in_Class_11_Physics\"><\/span>What are Units and Measurements in Class 11 Physics?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tUnits and Measurements in Class 11 Physics form the foundation for understanding and quantifying physical phenomena. This chapter covers the types of units (base and derived), methods of measuring physical quantities, dimensional analysis, and error analysis. Mastery of these concepts helps in solving problems accurately in physics and other scientific disciplines.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Why_are_MCQs_important_for_Units_and_Measurements_in_Class_11_Physics\"><\/span>Why are MCQs important for Units and Measurements in Class 11 Physics?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tMCQs are crucial for testing your understanding of Units and Measurements. They focus on conceptual clarity, application of dimensional analysis, and accuracy in solving problems. Practicing these questions not only prepares you for school exams but also strengthens your foundation for competitive exams like JEE and NEET.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"How_can_I_prepare_for_Units_and_Measurements_MCQ_questions_effectively\"><\/span>How can I prepare for Units and Measurements MCQ questions effectively?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tTo prepare effectively, start by understanding the theory and formulas in the chapter. Next, solve a variety of MCQs from reliable sources to test your grasp of the concepts. Pay attention to mistakes and revise key topics like significant figures, types of errors, and dimensional formulas. Solving MCQs regularly improves speed and accuracy.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Where_can_I_find_Units_and_Measurements_Class_11_MCQ_questions_with_answers\"><\/span>Where can I find Units and Measurements Class 11 MCQ questions with answers?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tYou can find a comprehensive collection of Units and Measurements MCQ questions with answers in dedicated study materials, online PDFs, and educational websites. These resources often include detailed solutions, making it easier to understand and learn from your mistakes.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are Units and Measurements in Class 11 Physics?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Units and Measurements in Class 11 Physics form the foundation for understanding and quantifying physical phenomena. This chapter covers the types of units (base and derived), methods of measuring physical quantities, dimensional analysis, and error analysis. Mastery of these concepts helps in solving problems accurately in physics and other scientific disciplines.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Why are MCQs important for Units and Measurements in Class 11 Physics?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"MCQs are crucial for testing your understanding of Units and Measurements. They focus on conceptual clarity, application of dimensional analysis, and accuracy in solving problems. Practicing these questions not only prepares you for school exams but also strengthens your foundation for competitive exams like JEE and NEET.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How can I prepare for Units and Measurements MCQ questions effectively?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"To prepare effectively, start by understanding the theory and formulas in the chapter. Next, solve a variety of MCQs from reliable sources to test your grasp of the concepts. Pay attention to mistakes and revise key topics like significant figures, types of errors, and dimensional formulas. Solving MCQs regularly improves speed and accuracy.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Where can I find Units and Measurements Class 11 MCQ questions with answers?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"You can find a comprehensive collection of Units and Measurements MCQ questions with answers in dedicated study materials, online PDFs, and educational websites. These resources often include detailed solutions, making it easier to understand and learn from your mistakes.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Units and Measurements multiple choice questions (MCQs) are a powerful way to strengthen your understanding of concepts and prepare effectively [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Units and Measurements MCQ","_yoast_wpseo_title":"Units and Measurements MCQ Question with Answers Class 11 Physics","_yoast_wpseo_metadesc":"Boost your Class 11 Physics prep with Units and Measurements MCQ questions and answers. Practice key concepts with detailed solutions for better results.","custom_permalink":"mcqs\/class-11-physics-units-and-measurements\/"},"categories":[11038],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Units and Measurements MCQ Question with Answers Class 11 Physics<\/title>\n<meta name=\"description\" content=\"Boost your Class 11 Physics prep with Units and Measurements MCQ questions and answers. 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