EASY
8th CBSE
IMPORTANT
Earn 100

The range of audible frequency of the human ear is roughly _______

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Important Questions on Sound

EASY
8th CBSE
IMPORTANT
Sound is produced by _____.
EASY
8th CBSE
IMPORTANT
The vibrations of a simple pendulum are also known as _____.
EASY
8th CBSE
IMPORTANT
Sound travels in the form of _____ (mechanical waves/ transverse waves).
EASY
8th CBSE
IMPORTANT
The SI unit of frequency is the _____.
EASY
8th CBSE
IMPORTANT
The pitch of sound depends on the _____ of vibration.
EASY
8th CBSE
IMPORTANT
If the thickness of a vibrating string is increased, its pitch _____.
EASY
8th CBSE
IMPORTANT
Sound requires a _____ to travel in.
EASY
8th CBSE
IMPORTANT
High-frequency sounds that we cannot hear are called _____ sound.
Chose from the given options: (infrasonic/ultrasonic)