Ncert Solutions for Class 9 Science Chapter 12 Sound

Class 9 Science Chapter 12 NCERT Solutions – Free PDF Download

This chapter has been withdrawn from the CBSE Revised Term-wise Syllabus 2021-22.

Class 9 NCERT Solutions Chapter 12 Sound is the most effective approach to improve one’s intellectual understanding of the subject. It contains answers to the textbook’s questions in a format that is simple for students to understand. NCERT Solutions is a reference guide that will help you clear up any questions you have about a particular topic.

It also includes several long and short responses, as well as multiple-choice questions and critical questions answered by subject specialists. Every effort is taken to generate high-quality content that contains all relevant facts. From the standpoint of the examination, the Chapter Sound is critical. As a result, all of the crucial information has been gathered and provided in the form of NCERT Solutions Class 9 Science.

After studying each chapter, students are suggested to look over the NCERT Solutions Class 9 for self-evaluation. They will learn about their weaknesses as a result and will work hard to overcome them before the exams.

Sound

NCERT Exemplar Solutions for Class 9 Science Chapter 12 are also available.

Class 9 Science Chapter 12 CBSE Notes

This chapter carries a 27-point weighting in the exam. Because the questions can be about any subject, students should be well-prepared. Detailed questions on the structure of the ear and sound reflection are regularly posed. Make sure you have a lot of practice with the numbers.

The following are some of the themes covered in this chapter:

12.1 Sound Production

12.2 Sound Propagation

12.3 Sound Reflection

12.4 Hearing Range

12.5 Ultrasound Applications

12.6 Human Ear Structure

Exercising Schedule

22 Questions for Exercise Solutions (7 long, 5 numerical, 10 short)

2 Questions on Sound Production

3 Questions about Sound Propagation

4 Questions about Sound Reflection

1 Questions about Hearing Range

4 Questions about Ultrasound Applications

1 Question on the Human Ear Structure

NCERT Solutions for Science Chapter 12 (Sound) for Class 9

A mechanical or longitudinal wave is sound. It will not be able to go into a vacuum. Sound is created by changes in pressure. Compression refers to a region of increased pressure on a sound wave, whereas rarefaction refers to a region of decreased pressure on a sound wave.

The following are some of the sound sources:

1. Expansions and compressions that happen quickly

1. Solids that vibrate

1. Shedding from the vortex

1. 1 Question on the Human Ear Structure

NCERT Solutions for Class 9 Science Chapter 12- Sound: Core Aspects

• The NCERT Solutions provide a conceptual understanding of the subject.

• Because the questions are answered by subject matter experts, the concepts are correct.
• It will assist pupils in achieving good exam results.
• The provided questions may be repeated in the final exam. As a result, it’s a good idea to read over the questions and answers carefully.

NCERT Solutions for Class 9 Science Chapter 12 Commonly Asked Questions

List the subjects covered in NCERT Solutions for Class 9 Science, Chapter 12.

The following subjects are covered in Chapter 12 of NCERT Solutions for Class 9 Science:

12.1 Sound Production

12.2 Sound Propagation

12.3 Sound Reflection

12.4 Hearing Range

12.5 Ultrasound Applications

12.6 Human Ear Structure

In Chapter 12 of NCERT Solutions for Class 9 Science, how many exercises are there?

The following are the exercises included in Chapter 12 of NCERT Solutions for Class 9 Science:

22 Questions and Answers for the Exercise (seven lengthy, five numerical, and ten short)

2 Questions about Sound Production

3 Questions about Sound Propagation

4 Questions about Sound Reflection

1 Questions on Hearing Range

Ultrasound Applications – 4 Questions

1 Question on the Human Ear Structure

Are the NCERT Solutions for Class 9 Science Chapter 12 the most effective study resource for students?

Students can use the NCERT Solutions for Class 9 Science Chapter 12 to boost their conceptual understanding. INFINITY LEARN’S subject experts create solutions that are accurate according to the newest CBSE syllabus and requirements. Students will be able to obtain a comprehensive understanding of the ideas that are necessary for the tests by using the solutions PDF. The NCERT textbooks are used to answer the majority of questions on board exams and competitive exams. For this reason, students are advised to regularly practice textbook questions in order to improve their academic performance.

Refer to Other Study Materials for Class 1 to 12