{"id":3374,"date":"2022-01-30T13:42:44","date_gmt":"2022-01-30T08:12:44","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=3374"},"modified":"2024-05-06T15:29:49","modified_gmt":"2024-05-06T09:59:49","slug":"cbse-class-8-science-science-and-technology-01","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/","title":{"rendered":"CBSE Class 8 Science, Science and Technology 01"},"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\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/#CBSE_Class_8_Science_Science_and_Technology\" title=\"CBSE Class 8 Science Science and Technology\">CBSE Class 8 Science Science and Technology<\/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\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/#Q1_Fill_ups\" title=\"Q1. Fill ups:\">Q1. Fill ups:<\/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\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/#Q2_Choose_the_correct_answer\" title=\"Q2. Choose the correct answer\">Q2. Choose the correct answer<\/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\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/#Q3_Name_the_following\" title=\"Q3. Name the following:\">Q3. Name the following:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align: left;\"><span class=\"ez-toc-section\" id=\"CBSE_Class_8_Science_Science_and_Technology\"><\/span>CBSE Class 8 Science Science and Technology<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>FORMATIVE ASSESSMENT NO: 2<\/p>\n<p>SUBJECT: SCIENCE<\/p>\n<p>CLASS \u2013 VIII<\/p>\n<p>ASSIGNMENT NO: 2<\/p>\n<p>CHAPTER &#8211; LIGHT<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q1_Fill_ups\"><\/span>Q1. Fill ups:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>1) The image formed by a plane mirror shows the phenomenon of<br \/>\n___________ inversion.<\/p>\n<p>2) Perpendicular at the point of incidence is_______________.<\/p>\n<p>3) Splitting up of light into its color is known as ____________ of light.<\/p>\n<p>4) Part of retina which is devoid of light sensitive cells______________.<\/p>\n<p>5) During near vision, ciliary muscles ___________, while during distant vision, they expand.<\/p>\n<p>6) ____________lens is present in the eyes.<\/p>\n<p>7) __________ protect the inner structure of the eyes.<\/p>\n<p>8) The day birds like Kite, Eagle have more __________ &amp; fewer _______.<\/p>\n<p>9) Reflection of light by a smooth polished surface is__________ reflection.<\/p>\n<p>10) The ____________nerves connects the eyes to brain.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q2_Choose_the_correct_answer\"><\/span>Q2. Choose the correct answer<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>1. Braille System was developed in<\/p>\n<p>a) 1891 c) 1791<\/p>\n<p>b) 1888 d) 1821<\/p>\n<p>2. The image formed by a plane mirror is<\/p>\n<p>a) Always real c) Always virtual<\/p>\n<p>b) Sometimes real &amp; sometimes d) Real but diminished<\/p>\n<p>Virtual depending upon the distance<\/p>\n<p>of object from the mirror.<\/p>\n<p>3. The no. of multiple images formed by two plane mirrors, if the angle between them is 72 \u030a<\/p>\n<p>a) 4 c) 5<\/p>\n<p>b) 6 d) 7<\/p>\n<p>4. A person is standing 5m away from a plane mirror. What will be the distance between him &amp; the image?<\/p>\n<p>a) 5m c) 0m<\/p>\n<p>b) 10m d) 15m<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q3_Name_the_following\"><\/span>Q3. Name the following:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>a) The most popular resource for visually challenged person to read &amp;<\/p>\n<p>write.______________<\/p>\n<p>b) The ray which strikes any surface._____________<\/p>\n<p>c) Light sensitive cells in the eye._____________<\/p>\n<p>d) A smooth, shining surface, which rebounds the light back in the same or<\/p>\n<p>different direction._________________<\/p>\n<p>Q3. Why do night birds have extraordinary night vision?<\/p>\n<p>Q4. How the persistence of vision is helpful in making still pictures moving?<\/p>\n<p>Q5. Describe the functions of (a) cornea (b) pupil (c) ciliary muscles (d) iris<\/p>\n<p>Q6. Why are the multiple images seen when two plane mirrors are placed at<br \/>\nan angle between them?<\/p>\n<p>Q7. Why is Vitamin A essential for us?<\/p>\n<p>Q8. What are the common eye defects? Give their causes and corrective measures.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CBSE Class 8 Science Science and Technology FORMATIVE ASSESSMENT NO: 2 SUBJECT: SCIENCE CLASS \u2013 VIII ASSIGNMENT NO: 2 CHAPTER [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Science and Technology CBSE Class 8","_yoast_wpseo_title":"Science and Technology CBSE Class 8 | Infinity Learn","_yoast_wpseo_metadesc":"CBSE Class 8 Science Science and Technology 01FORMATIVE ASSESSMENT NO: 2SUBJECT: SCIENCECLASS \u2013 VIIIASSIGNMENT NO: 2CHAPTER - LIGHT","custom_permalink":"study-materials\/cbse\/class-8\/science\/science-and-technology-01\/"},"categories":[64,21],"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>Science and Technology CBSE Class 8 | Infinity Learn<\/title>\n<meta name=\"description\" content=\"CBSE Class 8 Science Science and Technology 01FORMATIVE ASSESSMENT NO: 2SUBJECT: SCIENCECLASS \u2013 VIIIASSIGNMENT NO: 2CHAPTER - LIGHT\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Science and Technology CBSE Class 8 | Infinity Learn\" \/>\n<meta property=\"og:description\" content=\"CBSE Class 8 Science Science and Technology 01FORMATIVE ASSESSMENT NO: 2SUBJECT: SCIENCECLASS \u2013 VIIIASSIGNMENT NO: 2CHAPTER - LIGHT\" \/>\n<meta property=\"og:url\" content=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/\" \/>\n<meta property=\"og:site_name\" content=\"Infinity Learn by Sri Chaitanya\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/InfinityLearn.SriChaitanya\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-30T08:12:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-06T09:59:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2025\/04\/infinitylearn.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1008\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@InfinityLearn_\" \/>\n<meta name=\"twitter:site\" content=\"@InfinityLearn_\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Prasad Gupta\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Science and Technology CBSE Class 8 | Infinity Learn","description":"CBSE Class 8 Science Science and Technology 01FORMATIVE ASSESSMENT NO: 2SUBJECT: SCIENCECLASS \u2013 VIIIASSIGNMENT NO: 2CHAPTER - LIGHT","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/","og_locale":"en_US","og_type":"article","og_title":"Science and Technology CBSE Class 8 | Infinity Learn","og_description":"CBSE Class 8 Science Science and Technology 01FORMATIVE ASSESSMENT NO: 2SUBJECT: SCIENCECLASS \u2013 VIIIASSIGNMENT NO: 2CHAPTER - LIGHT","og_url":"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/","og_site_name":"Infinity Learn by Sri Chaitanya","article_publisher":"https:\/\/www.facebook.com\/InfinityLearn.SriChaitanya\/","article_published_time":"2022-01-30T08:12:44+00:00","article_modified_time":"2024-05-06T09:59:49+00:00","og_image":[{"width":1920,"height":1008,"url":"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2025\/04\/infinitylearn.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_creator":"@InfinityLearn_","twitter_site":"@InfinityLearn_","twitter_misc":{"Written by":"Prasad Gupta","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Organization","@id":"https:\/\/infinitylearn.com\/surge\/#organization","name":"Infinity Learn","url":"https:\/\/infinitylearn.com\/surge\/","sameAs":["https:\/\/www.facebook.com\/InfinityLearn.SriChaitanya\/","https:\/\/www.instagram.com\/infinitylearn_by_srichaitanya\/","https:\/\/www.linkedin.com\/company\/infinity-learn-by-sri-chaitanya\/","https:\/\/www.youtube.com\/c\/InfinityLearnEdu","https:\/\/twitter.com\/InfinityLearn_"],"logo":{"@type":"ImageObject","@id":"https:\/\/infinitylearn.com\/surge\/#logo","inLanguage":"en-US","url":"","contentUrl":"","caption":"Infinity Learn"},"image":{"@id":"https:\/\/infinitylearn.com\/surge\/#logo"}},{"@type":"WebSite","@id":"https:\/\/infinitylearn.com\/surge\/#website","url":"https:\/\/infinitylearn.com\/surge\/","name":"Infinity Learn by Sri Chaitanya","description":"Surge","publisher":{"@id":"https:\/\/infinitylearn.com\/surge\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/infinitylearn.com\/surge\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/#webpage","url":"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/","name":"Science and Technology CBSE Class 8 | Infinity Learn","isPartOf":{"@id":"https:\/\/infinitylearn.com\/surge\/#website"},"datePublished":"2022-01-30T08:12:44+00:00","dateModified":"2024-05-06T09:59:49+00:00","description":"CBSE Class 8 Science Science and Technology 01FORMATIVE ASSESSMENT NO: 2SUBJECT: SCIENCECLASS \u2013 VIIIASSIGNMENT NO: 2CHAPTER - LIGHT","breadcrumb":{"@id":"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/infinitylearn.com\/surge\/"},{"@type":"ListItem","position":2,"name":"CBSE Class 8 Science, Science and Technology 01"}]},{"@type":"Article","@id":"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/#article","isPartOf":{"@id":"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/#webpage"},"author":{"@id":"https:\/\/infinitylearn.com\/surge\/#\/schema\/person\/143c89c9c2f5e56ed91f96dde47b0b05"},"headline":"CBSE Class 8 Science, Science and Technology 01","datePublished":"2022-01-30T08:12:44+00:00","dateModified":"2024-05-06T09:59:49+00:00","mainEntityOfPage":{"@id":"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse\/class-8\/science\/science-and-technology-01\/#webpage"},"wordCount":336,"publisher":{"@id":"https:\/\/infinitylearn.com\/surge\/#organization"},"articleSection":["NCERT Solutions for Class 8","Study Materials"],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/infinitylearn.com\/surge\/#\/schema\/person\/143c89c9c2f5e56ed91f96dde47b0b05","name":"Prasad Gupta","image":{"@type":"ImageObject","@id":"https:\/\/infinitylearn.com\/surge\/#personlogo","inLanguage":"en-US","url":"https:\/\/secure.gravatar.com\/avatar\/200104b443e586c76c46cadc113d931c?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/200104b443e586c76c46cadc113d931c?s=96&d=mm&r=g","caption":"Prasad Gupta"},"url":"https:\/\/infinitylearn.com\/surge\/author\/prasad\/"}]}},"_links":{"self":[{"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/posts\/3374"}],"collection":[{"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/comments?post=3374"}],"version-history":[{"count":0,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/posts\/3374\/revisions"}],"wp:attachment":[{"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/media?parent=3374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/categories?post=3374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/tags?post=3374"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/table_tags?post=3374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}