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What is the angle between the incident ray and the emergent ray in a prism called?

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in Physics – Class 12 by (135k points)
What is the angle between the incident ray and the emergent ray in a prism called?

(a) Angle of deviation

(b) Angle of refraction

(c) Angle of reflection

(d) Angle of dispersion

I have been asked this question by my college professor while I was bunking the class.

My enquiry is from Ray Optics in portion Ray Optics and Optical Instruments of Physics – Class 12

1 Answer

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Right option is (a) Angle of deviation

Explanation: A prism is a homogenous, transparent medium enclosed two plane surfaces inclined at an angle. These surfaces are called the refracting surfaces and the angle between the incident ray and emergent ray is known as the angle of deviation.

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