If the wavelength of a wave is 5 m, then which of the following quantities would be equal to 5 m in the wave below.
A
a
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B
b
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C
c
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D
a and b
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Solution
The correct option is A a Wavelength is the distance between two consecutive crests or troughs. Here, the distance between two consecutive crests is 'a'. Hence, 'a' is the wavelength. ∴a=5m