(B) The ceiling and the wall behind the stage in good conference halls or concert halls are made curved so that sound,after reflection from these surf

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To reflect sound waves towards the audience uniformly.

(B) The ceiling and the wall behind the stage in good conference halls or concert halls are made curved so that sound,after reflection from these surfaces,spreads evenly across the entire hall. This ensures that the sound reaches all members of the audience clearly and effectively without significant loss of intensity.

Class 9 Science SOUND Mix Example - SOUND

Easy

Why are the ceiling and the wall behind the stage of good conference halls or concert halls made curved?

A
To absorb sound waves and prevent echoes.
B
To reflect sound waves towards the audience uniformly.
C
To increase the aesthetic appeal of the hall.
D
To reduce the cost of construction.

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Mix Example - SOUND

Define the following terms and state their $SI$ units:
$(a)$ Wavelength $(b)$ Time period $(c)$ Amplitude.
Establish the relation $V = v \lambda$,where the symbols have their usual meanings.

Medium

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Give two applications of ultrasound.

Easy

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Mention one practical use of echoes.

Easy

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Explain why echoes cannot be heard in a small room.

Easy

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If the frequency of a tuning fork is $400 \, Hz$ and the speed of sound in air is $340 \, m/s$. Find how far sound travels when the tuning fork makes $16$ vibrations. (in $m$)

Easy

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Why are the ceiling and the wall behind the stage of good conference halls or concert halls made curved?

Similar Questions

Define the following terms and state their $SI$ units:$(a)$ Wavelength $(b)$ Time period $(c)$ Amplitude.Establish the relation $V = v \lambda$,where the symbols have their usual meanings.

Give two applications of ultrasound.

Mention one practical use of echoes.

Explain why echoes cannot be heard in a small room.

If the frequency of a tuning fork is $400 \, Hz$ and the speed of sound in air is $340 \, m/s$. Find how far sound travels when the tuning fork makes $16$ vibrations. (in $m$)

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Define the following terms and state their $SI$ units:
$(a)$ Wavelength $(b)$ Time period $(c)$ Amplitude.
Establish the relation $V = v \lambda$,where the symbols have their usual meanings.