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Doppler Effect in Light Waves

Huygens' wave...

Question

Huygens' wave theory is used :

A

to determine the velocity of light

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B

to find the position of the wave front

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C

to determine the wavelength of light

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D

to find the focal length of a lens

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Solution

The correct option is B to find the position of the wave front
Huygen proposed a hypothesis for the geometrical construction of the position of a common wavefront at any instant during the propogation of waves in a medium.

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