NEET Physics Ray Optics and Optical Instruments Questions Solved


One side of a glass slab is silvered as shown. A ray of light is incident on the other side at angle of incidence . Refractive index of glass is given as 1.5. The deviation of the ray of light from its initial path when it comes out of the slab is

(a)   90o

(b)   180o

(c)   120o

(d)   45o

(a) From the figure it is clear that the angle between incident ray and the emergent ray is 90o

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