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define angle of deviation in a prism

define angle of deviation in a prism

Grade:9

3 Answers

Prajwal kr
49 Points
8 years ago

It the angle through which light ray deviates from the original straight line path.

sourav singh
29 Points
8 years ago

the angle made by path of the incident ray with the path of the refracted ray is the angle of deviation.

Akash Kumar Dutta
98 Points
8 years ago

Dear Koushik,
the difference between the angle of incident ray and emer gent ray is angle of deviation.
the formula for it is A+D=i+e ...where A=angle of prism,D=deviation,i=incident ray angle,e=emergent ray angle.
Also in an inclined plane the deviation changes.
Regards.

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