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The diagram shown five isosceles right angled prism. A light ray incident at 90° at the first face emerges at same angle with the normal from the last face. Which of the following relations will hold regarding the refractive indices?

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Important Questions on Ray Optics

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A certain prism is found to produce a minimum deviation ao 38°. It produces a deviation of 44° when the angle of incidence is either 42°or 62°. What is the angle of incidence when it is undergoing minimum deviation?
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A ray incident at an angle 53° on a prism emerges at an angle 37° as shown. If the angle of incidence is made 50°, which of the following is a possible value or the angle of emergence?

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A man of height 170cm wants to see his complete image in a plane mirror(while standing), . His eyes are at a height of 160cm from the ground.
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Two plane mirror at an angle such that a ray incident on a mirror undergoes a total deviation of 240°after two reflections:
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If the equation of mirror is given by  y=2/π sinπx y>0,0x1  then find the point on which horizontal ray should be incident so that the reflected ray become perpendicular to the incident ray

 

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A ray of light is incident normally on one face of 30°-60°-90°prism of refractive index 53 immersed in water of refractive index 43 as shown in figure.

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An object O is kept inform of a converging lens of focal length 30 cm behind which there is a plane mirror at 15 cm from the lens.

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JEE Main/Advance
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A converging lens of focal length f1 is placed in front of and coaxial with a convex mirror of focal length f2. Their separation is d. A parallel beam of light incident of the lens returns as a parallel beam from the arrangement-