EASY
7th ICSE
IMPORTANT
Earn 100

Give any two applications of an echo.

Important Questions on Sound

EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 7 - Sound>EVALUATE YOUR UNDERSTANDING>Q I
Voice of which of the following is likely to have a minimum frequency?
EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 7 - Sound>EVALUATE YOUR UNDERSTANDING>Q I
In which of the following materials is the speed of sound maximum?
EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 7 - Sound>EVALUATE YOUR UNDERSTANDING>Q I
To hear a distinct echo, the minimum distance of a reflecting surface should be
EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 7 - Sound>EVALUATE YOUR UNDERSTANDING>Q I
Bats are able to respond to
EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 7 - Sound>EVALUATE YOUR UNDERSTANDING>Q I
Which of the following physical quantities is measured in angstrom unit?
EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 7 - Sound>EVALUATE YOUR UNDERSTANDING>Q II
Sound travels _____( Slower/Faster) in steel than in water.
EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 7 - Sound>EVALUATE YOUR UNDERSTANDING>Q II
The number of oscillations per second is called _____. (Amplitude/ Frequency)
EASY
7th ICSE
IMPORTANT
Innovative Physics>Chapter 7 - Sound>EVALUATE YOUR UNDERSTANDING>Q II
Sound cannot travel in _____. (Vacuum/Water)