Olympiad Test: Sound - 2


15 Questions MCQ Test Science Olympiad Class 8 | Olympiad Test: Sound - 2


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Attempt Olympiad Test: Sound - 2 | 15 questions in 30 minutes | Mock test for Class 8 preparation | Free important questions MCQ to study Science Olympiad Class 8 for Class 8 Exam | Download free PDF with solutions
QUESTION: 1

The to - and - fro motion of a body about its mean position is called

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QUESTION: 2

Shrillness of the sound, also called as pitch, is determined by which characteristic of sound?

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QUESTION: 3

Which surface absorbs sound better?

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QUESTION: 4

Prolonged exposure to noise louder than ____ can lead to permanent hearing damage.

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QUESTION: 5

Sounds whose frequencies are greater than 20,000 Hz are called

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QUESTION: 6

In which of the following materials is the speed of sound maximum?

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QUESTION: 7

Pitch of sound depends on

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QUESTION: 8

Time taken by an object to complete one oscillation is called

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QUESTION: 9

Which of the following frequencies a man can hear?

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QUESTION: 10

In our ears, the vibrations in the air are picked up by which ear?

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QUESTION: 11

Sound of frequency 320Hz is of lower pitch than the sound of frequency

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QUESTION: 12

The quality of sound produced by a tuning fork is different from that produced by a musical instrument because of the difference in

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QUESTION: 13

Voice of which of these is likely to have a minimum frequency?

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QUESTION: 14

In stringed instruments, frequency of sound produced depends on

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QUESTION: 15

The astronauts on the moon can see each other but cannot hear each other because

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