Define amplitude of a wave.

Important Questions on Sound

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Summative Assessment>Q 4

How is sound produced?

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Summative Assessment>Q 5

Can sound travel in vacuum?

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Summative Assessment>Q 6

What is quality of sound?

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Summative Assessment>Q 7

What is echo?

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Summative Assessment>Q 8

What is the minimum distance between the observer and the reflecting surface to hear an echo?

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Summative Assessment>Q 9

What is reverberation?

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Summative Assessment>Q 10

What is Ultrasound?

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Summative Assessment>Q 11

Write the full form of SONAR.