What is noise pollution?

Important Questions on Sound

MEDIUM

8th CBSE

IMPORTANT

Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 1

Describe an experiment to show that sound cannot travel through a vacuum.

MEDIUM

8th CBSE

IMPORTANT

Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 2

What factors does the loudness of sound depend on?

MEDIUM

8th CBSE

IMPORTANT

Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 3

Distinguish between noise and musical sound.

MEDIUM

8th CBSE

IMPORTANT

Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 4

How does the frequency of sound vary in the three types of musical instruments?

MEDIUM

8th CBSE

IMPORTANT

Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 5

How can you show that sound can travel through solids?

MEDIUM

8th CBSE

IMPORTANT

Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 6

Describe three different types of musical instruments.

MEDIUM

8th CBSE

IMPORTANT

Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 7

What are the harmful effects of noise pollution?

MEDIUM

8th CBSE

IMPORTANT

Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 8

What steps should be taken to reduce the effects of noise pollution?