Q.

Which of the following unit is used to measure wavelength?


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a

Metre

b

Metre per second

c

Hertz

d

Second  

answer is A.

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Detailed Solution

Metre is the unit of wavelength.
Wavelength is defined as the distance between two consecutive compressions or refraction in the wave. And the distance is measured in metres only. In contrast, a metre per second is used in velocity/speed. Hertz is used in frequency, and second is used in the time period.
 
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