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Wavelength

The picture s...

Question

The picture shows a wave generated in a laboratory. The wavelength of the wave is ?

A

1.5 c m

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B

1.7 c m

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C

2.0 c m

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D

2.7 c m

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Solution

The correct option is C $1.7 c m$
The wavelength is the distance travel for a complete cycle. Here in the figure , the wave starts at 1 cm and go back to same position at 2.7 cm and the it will repeat the pattern.
So the wavelength will be $(2.7 - 1) = 1.7 c m .$

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