Reflection of Sound

IMPORTANT

Reflection of Sound: Overview

This topic contains concepts like Laws for Reflection of Sound, Echo, Reverberation and Multiple Reflection of Sound.

Important Questions on Reflection of Sound

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Science>Sound>Reflection of Sound> Q 1

At 20o C, the minimum distance of a person from a sound reflecting surface to hear an echo is
 

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Science>Sound>Reflection of Sound> Q 2

 Practical applications of reflection of sound waves are:
 

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Science>Sound>Reflection of Sound> Q 3

Select the uses of multiple reflections of sound. 

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Science>Sound>Reflection of Sound> Q 4

What is the multiple reflection of sound known as when it persists in a place even after the source of sound has stopped? 
(Choose from: Echo, Reverberation,Vibration)

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Science>Sound>Reflection of Sound> Q 5

How will you reduce reverberations in public halls or buildings?

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Science>Sound>Reflection of Sound> Q 6

Write the definition of Echo.

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Science>Sound>Reflection of Sound> Q 7

Write the method of 'position location' by a radar and the uses of radar.

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Science>Sound>Reflection of Sound> Q 8

Echoes are caused by the ____________ of sound.