EASY
9th Tamil Nadu Board
IMPORTANT
Earn 100

The repeated reflection that result in to persistence of sound is called .

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Important Questions on Sound

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 8 - Sound>textbook exercises>Q iv
Through which medium sound travels faster iron or water? Give Reason.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 8 - Sound>textbook exercises>Q iv
Name the physical quantity whose SI unit is hertz. Define
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 8 - Sound>textbook exercises>Q iv
What is meant by supersonic speed?
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 8 - Sound>textbook exercises>Q iv
How does the sound produced by a vibrating object in a medium reach your ears? 
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 8 - Sound>textbook exercises>Q iv
You and your friend are on the moon. Will you be able to hear any sound produced by your friend? 
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 8 - Sound>textbook exercises>Q v
Describe with diagram, how compressions and rarefactions are produced.
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 8 - Sound>textbook exercises>Q v
Verify experimentally the laws of reflection of sound.
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 8 - Sound>textbook exercises>Q v
List the applications of sound.