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Echo

An echo is si...

Question

An echo is simply a.......of sound.

A

Reflection

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B

Frequency

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C

Amplitude

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D

None of these

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Solution

The correct option is A Reflection
An echo is simply a reflection of sound.

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Similar questions

Q. Fill in the following blanks with suitable words :
(a) An echo is simply a ................... sound.
(b) Pitch of sound depends on ....................
(c) Loudness of sound depends on .....................
(d) Quality of sound depends on ........................
(e) Echoes are caused by the ...................... of sound.

Fill in the following blanks with suitable words :

(a) An echo is simply a ___ sound .

(b) Pitch of sound depends on ___ .

(c) Loudness of sound depends on ___ .

(d) Quality of sound depends on ___ .

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

Q. To hear an echo, time interval between the original sound and the echo is ___.

Q. (a) What is an echo? How is echo formed?
(b) What is the minimum distance in the air required from a sound reflecting surface to hear an echo (at 20° C)?

Q. Echolocation is the use of sound waves and echoes to determine where objects are. Bats, for example, send out sound waves from their mouth or nose. When the sound waves hit an object they produce echoes thus helping them find their way around. Which of these animals also uses echolocation?

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