EASY
9th CBSE
IMPORTANT
Earn 100

Name the organ of hearing in our body.

Important Questions on Sound

MEDIUM
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 5 - Sound>Exercise>Q 18
Which part of human ear collects the sound from the surroundings?
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 5 - Sound>Exercise>Q 19
Name the tube which connects the middle ear to throat.
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 5 - Sound>Exercise>Q 20
Name the nerve which sends electrical signals from the cochlea of ear to the brain.
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 5 - Sound>Exercise>Q 1
What is meant by 'reflection of sound'? What type of surfaces are best for reflecting sound?
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 5 - Sound>Exercise>Q 2
State the laws of reflection of sound.
EASY
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 5 - Sound>Exercise>Q 3
How can reverberation in a big hall or auditorium be reduced?
MEDIUM
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 5 - Sound>Exercise>Q 4
What is the difference between an echo and reverberation?
MEDIUM
9th CBSE
IMPORTANT
Physics For Class 9>Chapter 5 - Sound>Exercise>Q 5
Name three devices which work on the reflection of sound.