In the following diagram the path of ray of light passing through a glass prism is shown along with various angles. state which angle is represented by angle of incidence the angle of emergence and the angle of deviation respectively.
Answers
angle of emergence =Q
angle of deviation =P
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Answer: The angle of incidence is Y. The angle of emergence is Q. The angle of deviation is P.
Explanation:
Angle of incidence: The ray of beam which is incident on the prism and makes angle Y which is the angle of incidence for prism in the given figure.
Angle of emergence: The ray of beam which is refracted from the other surface of prism which is coming out of the medium and makes angle Q which is the angle of emergence for prism in the given figure.
Angle of deviation: It is equal to the difference between the incidence angle and the refraction angle when a ray of light passes through one medium to the another medium. Therefore, P is the angle of angle of deviation.
Therefore, the angle of incidence the angle of emergence and the angle of deviation are Y, Q and P respectively.