Give difference between transverse and longitudinal waves.

Important Questions on Sound

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Summative Assessment>Q 2

What are important characteristics of wave? Define them.

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Summative Assessment>Q 3

Describe an activity to show that a vibrating body produces sound.

EASY

9th CBSE

IMPORTANT

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

Describe an activity to show that sound needs a medium to travel.

HARD

9th CBSE

IMPORTANT

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

Discuss three factors which differentiate between sound coming from different sources.

HARD

9th CBSE

IMPORTANT

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

With the help of an activity prove laws of reflection.

MEDIUM

9th CBSE

IMPORTANT

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

Take a hollow cylinder and stretch a balloon over one end. Stick a small piece of mirror on the balloon and shout directly into the open end of cylinder. Allow a sharp beam of light to fall on the mirror. See the image of the beam on a wall. What do you observe?

MEDIUM

9th CBSE

IMPORTANT

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

State the relationship between frequency and time period of a wave. The wavelength of vibrations produced on the surface of water in