Q.

What is a unit of wavelength?


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a

Hertz

b

Meter

c

Meter per second

d

Second 

answer is B.

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Detailed Solution

Concept: Wavelength is the spatial period of a periodic wave, the distance at which the  shape of the wave repeats. This is the distance between consecutive corresponding points in the same phase of the wave. Two adjacent mountains and valleys.
Question ImageWavelengths are commonly represented by the Greek letter lambda (λ) . Therefore, wavelength measures the distance between two consecutive peaks or valleys, and the unit of distance is meters.
Hence, the correct option is 2.
 
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