The time gap between the two sounds-direct and echo depends upon:

medium through which the sound travels

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the type of obstacle

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the speed of sound

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All

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Solution

The correct option is A medium through which the sound travels
The time gap between the two sounds-direct and echo depends upon the medium through which the sound travels. These two sounds can be heard distinctly provided the Distance between the observer and the reflecting surface is large enough to allow the reflected sound to reach him without interfering with the direct sound.

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Similar questions

The speed of sound depends on the properties of the medium through which it travels.

State two properties of the medium on which the speed of sound in it depends.

Fill in the following blanks with suitable words :

(a) An echo is simply a ___ sound .

(b) Pitch of sound depends on ___ .

(d) Quality of sound depends on ___ .

(e) Echoes are caused by the ___ of sound .

2

2

330 m s^{- 1}

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