The angle of deviation for a Ray which is incident with an angle 45 on the plane mirror is
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Answer:
Given:
A ray of light strikes a plane mirror at an angle of incidence 45∘C as shown in fig. After reflection, the ray passes through a prism of refractive index 1.5 whose apex angle is 4∘. If the mirror is rotated by X degrees then the total deviation of ray becomes 90∘C.
Solution:
A ray of light strikes a plane mirror at an angle of incidence 45∘C as shown in fig. After reflection, the ray passes through a prism of refractive index 1.5 whose apex angle is 4∘. If the mirror is rotated by X degrees then the total deviation of ray becomes 90∘C.
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Answer:
90
Explanation:
Angle of deviation is = 2* the glance angle
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