EASY
8th ICSE
IMPORTANT
Earn 100

Name the different types of musical instruments.

Important Questions on Sound

EASY
8th ICSE
IMPORTANT
What do you understand by monotone?
MEDIUM
8th ICSE
IMPORTANT
State the unit of loudness. Mention the effect of different loudness levels on human ears.
EASY
8th ICSE
IMPORTANT
Mention two effects produced on humans by sounds of 90 dB or more.
EASY
8th ICSE
IMPORTANT
Define amplitude, time period and frequency with respect to a sound wave. State the relationship between time period and frequency of a wave.
MEDIUM
8th ICSE
IMPORTANT
State the factors affecting the loudness of sound. How do these factors affect the loudness of sound?
EASY
8th ICSE
IMPORTANT
What do you understand by the terms pitch, timbre and loudness of a sound?
MEDIUM
8th ICSE
IMPORTANT
How can you prove experimentally that the pitch of a string instrument depends on the length of the vibrating string?
MEDIUM
8th ICSE
IMPORTANT
Prove that the pitch of a wind instrument depends on the length of the vibrating air column.