HARD
7th ICSE
IMPORTANT
Earn 100

A ticking clock sound is heard late when heard through a metal.

50% studentsanswered this correctly

Important Questions on Sound

EASY
7th ICSE
IMPORTANT
Sound is produced when a body _____.
EASY
7th ICSE
IMPORTANT

The number of times a body vibrates in one second is called its _____.

EASY
7th ICSE
IMPORTANT
The pitch of a sound depends on its _____.
EASY
7th ICSE
IMPORTANT
Sound can travel in a _____.
EASY
7th ICSE
IMPORTANT

We can hear sounds of frequency in the range of _____.

(Choose from the following: 20 kHz to 20,000 kHz, 2 Hz to 20,00 Hz, 20 Hz to 20,000 Hz, 2 Hz to 20 Hz)

EASY
7th ICSE
IMPORTANT
Sound requires a _____ for propagation.
EASY
7th ICSE
IMPORTANT
Sound travels faster in _____ than in liquids.
MEDIUM
7th ICSE
IMPORTANT
The sound heard after reflection is _____.