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Amplitude, Frequency and Time Period

In an experim...

Question

In an experiment to find the speed of waves in a rope, a standing wave pattern is established as shown in diagram below. The vibrating end of rope makes 90 vibrations per minute. The speed of the waves is

A

2m/s

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B

6m/s

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C

4m/s

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D

3m/s

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Solution

The correct option is B
6m/s

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