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Reflection from an Open End

The refracted...

Question

The refracted and the incident pulses for a wave travelling in a string have an amplitude ratio of 1:2. The ratio of their phases will be

A

1:2

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B

2:1

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C

1:1

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D

1:4

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Solution

The correct option is C 1:1
The incident and refracted pulses have same phase. Hence the ratio of phases is 1:1
The correct option is (c)

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