Chapter 11: Sound MCQs | science Class 9 CBSE

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MCQ

Question 1

Objective

Sound cannot travel through:

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MCQ

Question 2

Objective

The SI unit of frequency is:

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MCQ

Question 3

Objective

Human hearing range is:

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MCQ

Question 4

Objective

Speed of sound is highest in:

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MCQ

Question 5

Objective

Which device uses reflection of sound?

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Question 6

Objective

Ultrasound has frequency:

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Question 7

Objective

Pitch depends on:

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Question 8

Objective

Echo is heard only if reflecting surface is at least:

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Question 9

Objective

Which of these animals can hear ultrasound?

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Question 10

Objective

Which wave type is a sound wave in air?

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MCQ

Question 11

Objective

Amplitude affects:

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Question 12

Objective

Formula for speed of sound is:

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Question 13

Objective

Time taken for one vibration is:

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Question 14

Objective

Sound travels fastest in:

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Question 15

Objective

Compressions are:

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Question 16

Objective

Rarefactions are:

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Question 17

Objective

Sound energy is a type of:

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MCQ

Question 18

Objective

In a sound wave, particles:

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Question 19

Objective

Bats navigate using:

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MCQ

Question 20

Objective

Medical imaging using sound is called:

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Chapter sections

Chapter 11: Sound | MCQs

Sound cannot travel through:

The SI unit of frequency is:

Human hearing range is:

Speed of sound is highest in:

Which device uses reflection of sound?

Ultrasound has frequency:

Pitch depends on:

Echo is heard only if reflecting surface is at least:

Which of these animals can hear ultrasound?

Which wave type is a sound wave in air?

Amplitude affects:

Formula for speed of sound is:

Time taken for one vibration is:

Sound travels fastest in:

Compressions are:

Rarefactions are:

Sound energy is a type of:

In a sound wave, particles:

Bats navigate using:

Medical imaging using sound is called:

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