(B) Sound is a mechanical wave that requires a material medium (like solid,liquid,or gas) to travel from one point to another. This is because sound p

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Sound waves require a material medium for propagation

(B) Sound is a mechanical wave that requires a material medium (like solid,liquid,or gas) to travel from one point to another. This is because sound propagates through the vibration of atoms and molecules in the medium. The space between the moon and the earth is a vacuum,meaning there is no material medium present. Therefore,sound waves produced by an explosion on the moon cannot travel through the vacuum of space to reach the earth.

Class 11 Physics Waves and Sound Sound Waves (Longitudinal wave) and it’s Characteristics (Speed etc.)

Easy

$A$ big explosion on the moon cannot be heard on the earth because

A
The explosion produces high frequency sound waves which are inaudible
B
Sound waves require a material medium for propagation
C
Sound waves are absorbed in the moon's atmosphere
D
Sound waves are absorbed in the earth's atmosphere

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Class 11

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Waves and Sound

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Sound Waves (Longitudinal wave) and it’s Characteristics (Speed etc.)

The sound carried by air from a sitar to a listener is a wave of the following type:

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$A$ source of sound $S$ having frequency $f$. Wind is blowing from source to observer $O$ with velocity $u$. If the speed of sound with respect to air is $C$,the wavelength of sound detected by $O$ is:

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$A$ mechanical wave (sound wave) in a gas is:

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$A$ man stands in front of a hillock and fires a gun. He hears an echo after $1.5\, s$. The distance of the hillock from the man is ...... $m$ (velocity of sound in air is $330\, m/s$).

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$A$ source $S$ of frequency $f_0$ and an observer $O$,moving with speeds $v_1$ and $v_2$ respectively,are moving away from each other. When they are separated by a distance $a$ at $t = 0$,a pulse is emitted by the source. This pulse is received by $O$ at time $t_1$. Then $t_1$ is equal to:

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$A$ big explosion on the moon cannot be heard on the earth because

Similar Questions

The sound carried by air from a sitar to a listener is a wave of the following type:

$A$ source of sound $S$ having frequency $f$. Wind is blowing from source to observer $O$ with velocity $u$. If the speed of sound with respect to air is $C$,the wavelength of sound detected by $O$ is:

$A$ mechanical wave (sound wave) in a gas is:

$A$ man stands in front of a hillock and fires a gun. He hears an echo after $1.5\, s$. The distance of the hillock from the man is ...... $m$ (velocity of sound in air is $330\, m/s$).

$A$ source $S$ of frequency $f_0$ and an observer $O$,moving with speeds $v_1$ and $v_2$ respectively,are moving away from each other. When they are separated by a distance $a$ at $t = 0$,a pulse is emitted by the source. This pulse is received by $O$ at time $t_1$. Then $t_1$ is equal to:

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