Chapter 12 Sound MCQs for Class 9 Science

Chapter 12 Sound MCQs for Class 9 Science

Here students can practice Chapter 12 Sound MCQs for Class 9 Science. All the MCQs are divided into several sub-pages. Each page has 40 MCQs, for the next page just scroll down and click on the buttons. Also you can practice Class 9 Science MCQs (Multiple Choice Questions) for other chapters.

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Q 1.: Sound travels through which medium?

          (A) Solid 

(B) Liquid

(C) Gas

(D) All of the above

Option – (d)

Q 2.: The distance which compression or a rarefaction travels per unit of time gives_____________.

(A) The density of sound wave

(B) Speed of sound

(C) Wavelength of sound

(D) Frequency of sound

Option – (b)

Q 3.: When a body vibrates, it compresses the air surrounding and forms a high-density area known as__________. 

(A) Refraction

(B) Reflection

(C) Rarefaction

(D) Compression

Option – (d)

Q 4.: The phenomenon where a sound produced is heard again due to reflection is called_________

(A) Sound bounce

(B) Mirage

(C) An echo

(D) Interference

Option – (c)

Q 5.: The number of compressions or rarefactions per unit time gives_______

(A) Frequency

(B) Time period

(C) Amplitude

(D) Pitch

Option – (d)

Q 6.: Sound waves in air is an example of__________

(A) Longitudinal wave

(B) Transverse wave

(C) Electromagnetic wave

(D) None of the options

Option – (b)

Q 7.: Mexican wave in a stadium is an example of

(A) Longitudinal wave

(B) Transverse wave

(C) Electromagnetic wave

(D) None of the options

Option – (b)

Q 8.: When the vibrating object moves backwards, it creates a region of low pressure called___________

(A) Refraction

(B) Reflection

(C) Rarefaction

(D) Retardation

Option – (c)

Q 9.: In SONAR, we use

(A) Ultrasonic waves

(B) Infrasonic waves

(C) Radio waves

(D) Audible sound waves

Option – (c)

Q 10.: Sound travels in air if

(A) Particles of medium travel from one place to another 

(B) There is no moisture in the atmosphere

(C) Disturbance moves

(D) Both particles as well as disturbance travel from one place to another.

Option – (d)

Q 11.: When we change feeble sound to loud sound we increase its

(A) Frequency

(B) Amplitude

(C) Velocity

(D) Wavelength

Option – (b)

Q 12.: Earthquake produces 

(A) 

(B) 

(C) 

(D) 

Option – 

Q 13.: H

(A) 

(B) 

(C) 

(D) 

Option – 

Q 14.: H

(A) 

(B) 

(C) 

(D) 

Option – 

Q 15.: H

(A) 

(B) 

(C) 

(D) 

Option – 

Q 16.: H

(A) 

(B) 

(C) 

(D) 

Option – 

Q 17.: H

(A) 

(B) 

(C) 

(D) 

Option – 

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(A) 

(B) 

(C) 

(D) 

Option – 

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(A) 

(B) 

(C) 

(D) 

Option – 

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(A) 

(B) 

(C) 

(D) 

Option – 

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(A) 

(B) 

(C) 

(D) 

Option – 

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(A) 

(B) 

(C) 

(D) 

Option – 

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(A) 

(B) 

(C) 

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Option – 

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Option – 

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Option – 

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Option – 

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(A) 

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Option – 

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Option – 

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(A) 

(B) 

(C) 

(D) 

Option – 

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(A) 

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(D) 

Option – 

Q 39.: H

(A) 

(B) 

(C) 

(D) 

Option – 

Q 40.: H

(A) 

(B) 

(C) 

(D) 

Option – 

Pagination

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We hope that these Chapter 12 Sound MCQs for Class 9 Science helped you in learning new concepts. All questions are based on NCERT syllabus and some of them have been asked in various competitive exams. You can go to the next pages to practice more for Chapter 12 Sound MCQs for Class 9 Science, click on the question range given above.

Also you can practice Class 9 Science MCQs (Multiple Choice Questions) for other chapters.