EASY
9th West Bengal Board
IMPORTANT
Earn 100

The distance between a rarefaction and its adjacent compression is 

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Important Questions on Sound

EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 3
Which of the following is not a string instrument?
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 4
The relation between v=velocity, T=time period, λ=wavelength is
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 5
Which is not the bone of middle ear?
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 6
Characteristic property of sound that distinguishes a flat sound from a sharp sound.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 7
A normal human can hear the sound of frequency
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 8
Normal human ear can tolerate sound of frequency
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 2.1.
A  bongo is a _____ instrument.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 2.1.
Echocardiography is done by using _____ waves.