(C) Sound is a mechanical wave that requires a material medium (like air,water,or solids) to travel from one point to another.On the surface of the Mo

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there is no medium for sound propagation

(C) Sound is a mechanical wave that requires a material medium (like air,water,or solids) to travel from one point to another.On the surface of the Moon,there is no atmosphere,which means it is a vacuum.Since there is no medium for the sound waves to propagate,an astronaut cannot hear their companion's voice directly through the air.

Class 9 Science SOUND Mix Example - SOUND

Easy

An astronaut cannot hear his companion on the surface of the Moon because

A
frequencies produced are above the audio frequencies
B
temperature is too low during night and high during day
C
there is no medium for sound propagation
D
there are too many craters on the surface of the Moon

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SOUND

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Mix Example - SOUND

State four differences between longitudinal and transverse waves. Give an example of each.

Medium

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State whether the following statement is true or false:
The frequency of a sounding body with a time period of $0.01 \, s$ is $100 \, Hz$.

Easy

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What is a transverse wave?

Easy

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$(a)$ What type of wave is represented by a density-distance graph?
$(b)$ What is meant by a transverse wave? Give an example.

Easy

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$(i)$ What does the acronym $SONAR$ stand for?
$(ii)$ What is the audible range of sound for human beings?
$(iii)$ How do the bats search and catch their prey in dark night?

Medium

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An astronaut cannot hear his companion on the surface of the Moon because

Similar Questions

State four differences between longitudinal and transverse waves. Give an example of each.

State whether the following statement is true or false:The frequency of a sounding body with a time period of $0.01 \, s$ is $100 \, Hz$.

What is a transverse wave?

$(a)$ What type of wave is represented by a density-distance graph?$(b)$ What is meant by a transverse wave? Give an example.

$(i)$ What does the acronym $SONAR$ stand for?$(ii)$ What is the audible range of sound for human beings?$(iii)$ How do the bats search and catch their prey in dark night?

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State whether the following statement is true or false:
The frequency of a sounding body with a time period of $0.01 \, s$ is $100 \, Hz$.

$(a)$ What type of wave is represented by a density-distance graph?
$(b)$ What is meant by a transverse wave? Give an example.

$(i)$ What does the acronym $SONAR$ stand for?
$(ii)$ What is the audible range of sound for human beings?
$(iii)$ How do the bats search and catch their prey in dark night?