MEDIUM
7th ICSE
IMPORTANT
Earn 100

What are infrasonics? Can you hear them?

Important Questions on Sound

MEDIUM
7th ICSE
IMPORTANT
How does a bat make use of ultrasonic waves to find its way?
HARD
7th ICSE
IMPORTANT
Name the two characteristics of sound which differentiate two sounds from each other.
HARD
7th ICSE
IMPORTANT
On what factor does the loudness of a sound depend ?
MEDIUM
7th ICSE
IMPORTANT
How does the loudness of sound produced depend on the vibrating area of the body ?
HARD
7th ICSE
IMPORTANT
The outer case of the bell in a temple is made big. Give a reason.
HARD
7th ICSE
IMPORTANT
State the factors on which the pitch of a sound depends.
HARD
7th ICSE
IMPORTANT
Differentiate between a high pitch sound and a low pitch sound.
MEDIUM
7th ICSE
IMPORTANT
How does a man’s voice differ from a woman’s voice ?