HARD
9th CBSE
IMPORTANT
Earn 100

Draw a curve showing density or pressure variations with respect to distance for a disturbance produced by sound. Mark the position of compression and rarefaction on this curve. Also define wavelengths and time period using this curve.

Important Questions on Sound

EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 1
Sound energy is basically :
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 2
The transfer of energy in a material medium due to the periodic motion of its particles is called :
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 3
Which is not the condition for hearing sound?
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 4
An instrument commonly used in the laboratory to produce a sound of some particular frequency is _____.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 5
The sound waves in a medium are characterised by the :
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 6
The sound waves which travel in the air are called:
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 7
When a sound wave travels in the air, the physical quantity which is transferred from one place to the other is :
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 1
 How does the sound produced by a vibrating body reach your ear?