MEDIUM
8th CBSE
IMPORTANT
Earn 100

What is meant by noise pollution? Mention some of the sources of noise pollution in your surroundings.

Important Questions on Sound

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 13 - Sound>Long Answer Type Questions>Q 80
Explain how, noise pollution (or excessive loud noise) is harmful to human beings.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 13 - Sound>Long Answer Type Questions>Q 80
State the various measures which can be taken to control (or reduce) noise pollution in our surroundings.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 13 - Sound>Long Answer Type Questions>Q 80
What can be done along the roads to reduce noise pollution caused by traffic from reaching the residents of the area? 
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 13 - Sound>Multiple Choice Questions (MCQs)>Q 81
Voice of which of the following is likely to have the minimum frequency?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 13 - Sound>Multiple Choice Questions (MCQs)>Q 82
Sound can travel through:
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 13 - Sound>Multiple Choice Questions (MCQs)>Q 83
Which of the following vibrates when a musical note is produced by the cymbals in an orchestra?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 13 - Sound>Multiple Choice Questions (MCQs)>Q 84
A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through: 
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 13 - Sound>Multiple Choice Questions (MCQs)>Q 85

Which of the following sound frequencies can be heard by a woman having a normal hearing range?

A. 25000 Hz B. 15 KHz C. 4000 Hz D. 25 Hz