Sound-Sound Needs a Medium for Propagation (CBSE Class-8 Science): Questions 1 - 3 of 3

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Question number: 1

» Sound » Sound Needs a Medium for Propagation » Sound Needs a Medium to Travel

MCQ▾

Question

Why one cannot listen the sounds on moon?

Choices

Choice (4) Response
a.

There are ultrasonic waves

b.

Maximum vibration of an object

c.

There are infrasonic waves

d.

There is no medium on moon

Question number: 2

» Sound » Sound Needs a Medium for Propagation » Vacuum and Loudness

MCQ▾

Question

Intensity of sound is called as:

Choices

Choice (4) Response
a.

Oscillation

b.

Shrillness

c.

Loudness

d.

Amplitude

Question number: 3

» Sound » Sound Needs a Medium for Propagation » Sound Travelling Through Solids and Liquids

MCQ▾

Question

Sound can travel through

Choices

Choice (4) Response
a.

Liquids

b.

Solid

c.

Gases

d. All a. , b. and c. are correct

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