EASY
9th CBSE
IMPORTANT
Earn 100

Explain how sound is produced by your school bell.

Important Questions on Sound

MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 12 - Sound>Questions>Q 2
Why are sound waves called mechanical waves?
EASY
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 12 - Sound>Questions>Q 3
Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend?
EASY
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 12 - Sound>Questions>Q 1

Which wave property determines (a) loudness   (b) pitch

EASY
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 12 - Sound>Questions>Q 2
Guess which sound has a higher pitch: guitar or car horn?
MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 12 - Sound>Questions>Q 1
What are the wavelength, frequency, time period and amplitude of a sound wave?
EASY
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 12 - Sound>Questions>Q 2
How are the wavelength and frequency of a sound wave related to its speed?
MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 12 - Sound>Questions>Q 3
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
EASY
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 12 - Sound>Questions>Q 4
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?