1.

Define angle of deviation?

Answer»

Solution :Because of multiple reflections or refraction bending of light occurs. The angle at which emergent ray BENDS with RESPECT to incident ray is called angle of devation. As show in figure it is demoted by a SYMBOL `delta`(delta)

The angle of devation is not the same for all the wave LENGTH of light .Usuallyfor a prism the angle of devation canbe COMPUTER as`delta=(mu-1)` A . Where A is angle of prism and `mu` is refracted inboxof prism material.


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