Sound Is Produced Due to Vibrations

Author:R P Goyal & S S Shome
7th ICSE
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Important Questions on Sound Is Produced Due to Vibrations

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Concise PHYSICS Middle School 7>Sound>Sound Is Produced Due to Vibrations> Q 1

The number of times a body vibrates in one second is called its _____.

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Concise PHYSICS Middle School 7>Sound>Sound Is Produced Due to Vibrations> Q 2

Sound is produced when a body _____.

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Concise PHYSICS Middle School 7>Sound>Sound Is Produced Due to Vibrations> Q 3

Waveforms of two different stringed instruments can be the same.

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Concise PHYSICS Middle School 7>Sound>Sound Is Produced Due to Vibrations> Q 4

Sound is a form of energy.

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Concise PHYSICS Middle School 7>Sound>Sound Is Produced Due to Vibrations> Q 5

Sound can only be produced by vibrating bodies.

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Concise PHYSICS Middle School 7>Sound>Sound Is Produced Due to Vibrations> Q 6

Describe an experiment to estimate the speed of sound in air.

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Concise PHYSICS Middle School 7>Sound>Sound Is Produced Due to Vibrations> Q 7

During a thunderstorm, the sound of a thunder is heard after the lightning is seen. Why ?

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Concise PHYSICS Middle School 7>Sound>Sound Is Produced Due to Vibrations> Q 8

Can sound travel through solids and liquids? In which of these two does it travel faster?

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Concise PHYSICS Middle School 7>Sound>Sound Is Produced Due to Vibrations> Q 9

Describe an experiment to show that each source of sound is a vibrating body.

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Concise PHYSICS Middle School 7>Sound>Sound Is Produced Due to Vibrations> Q 10

The bees do not have voice-boxes. How do they produce sound?

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Concise PHYSICS Middle School 7>Sound>Sound Is Produced Due to Vibrations> Q 11

What do you mean by a vibratory motion ?