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Subject :NSO    Class : Class 7

When a light ray is reflected repeatedly by a set of parallel plane mirrors, the intensity of the light ray decreases after some reflections. This is because of

A Poor reflection from mirrors
B Absorption of some amount of light by mirrors
C Dispersion of light when the rays travel through the atmosphere
D Scattering of light by the mirrors.


Ans 1:

Class : Class 3

Ans 2:

Class : Class 3
no

Ans 3:

Class : Class 8
Opt. B is right.

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