EASY
7th CBSE
IMPORTANT
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The time period of a simple pendulum is independent of of oscillation.

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Important Questions on Sound

MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (COMPETITION WING)>Q 9
The loudness of sound is determined by its _____.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (COMPETITION WING)>Q 10
_____ sound is used as a diagnostic tool in medical science.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (COMPETITION WING)>Q 11
Sound needs a ____ to travel.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (COMPETITION WING)>Q 13
The loudness of sound _____ with increase in the energy spent to vibrate a body.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (COMPETITION WING)>Q 14
Propagation of sound can be visualised as propagation of _____ in the medium.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (COMPETITION WING)>Q 16
The to and fro motion of an object is called vibration.
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (COMPETITION WING)>Q 17
The maximum displacement of a bob from its mean position is called its amplitude.
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (COMPETITION WING)>Q 18
The unit of frequency is second.