EASY
7th ICSE
IMPORTANT
Earn 100

Give two examples of good reflectors of sound.

Important Questions on Sound

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 5

Give two examples of bad reflectors of sound.

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 6
What is an echo? Where does echo generally occur?
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 1
Prove with the help of an activity that sound travels better through liquids.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 2
Explain the factors on which the loudness of sound depends.
MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 3
What are ultrasonic sounds? State five uses of such sounds.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 1
Two astronauts were floating near each other in space. Do you think they will be able to talk to each other?
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 2
How do animals such as elephants and whales communicate?