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A wave of frequency 100 Hz is sent along...

A wave of frequency 100 Hz is sent along a string towards a fixed end. When this wave travels back after reflection, a node is formed at a distance of 10 cm frome the fixed end of the string. The speed of incident (and reflected) wave are

A

`40 m//s`

B

`20 m//s`

C

`10 m//s`

D

`5 m//s`

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The correct Answer is:
B
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AAKASH SERIES-WAVES-EXERCISE-II (Strings (Speed of a travelling wave:))
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