MEDIUM
9th CBSE
IMPORTANT
Earn 100

Explain how defects in a metal block can be detected using ultrasound.

Important Questions on Sound

EASY
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 12 - Sound>Questions>Q 1
How does the sound produced by a vibrating object in a medium reach your ear?
EASY
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 12 - Sound>Questions>Q 1
Explain how sound is produced by your school bell.
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?