EASY
7th CBSE
IMPORTANT
Earn 100

What is a pitch?

Important Questions on Sound

EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (CLASSROOM WING)>Q 58
What is quality of sound?
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (CLASSROOM WING)>Q 59
What is noise pollution?
MEDIUM
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (CLASSROOM WING)>Q 60
Why the oscillations of a simple pendulum are not perceived by the human ear?
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (CLASSROOM WING)>Q 61
What is the persistence of hearing?
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (CLASSROOM WING)>Q 62
What is the minimum distance between the reflector and the listener to hear the echo, when the speed of sound in air is 330 m s-1?
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (CLASSROOM WING)>Q 63
What is the principle on which megaphone works?
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (CLASSROOM WING)>Q 64
What happens to the pitch of the sound when the length of the vibrating column is increased?
EASY
7th CBSE
IMPORTANT
Pearson IIT Foundation Physics>Chapter 5 - Sound>PRACTICE QUESTIONS (CLASSROOM WING)>Q 65
A body completes 50 oscillations in 20 s. What is the frequency?