First slide

Huygen's Wave Theory

Question

Huygens' concepts of secondary waves :

Easy

A

allow us to find the focal length of a thin lens
B

give the magnifying power of a microscope
C

give geometrical methods to find a wavefront
D

are used to determine the velocity of light

Solution

According to huygene's wave theory each point on the wavefront act as the secondary source of disturbance emits wave in forward direction.

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