NEET Physics Ray Optics and Optical Instruments Questions Solved


A thin prism of angle 15° made of glass of refractive index μ1=1.5 is combined with another prism of glass of refractive index μ2=1.75. The combination of the prism produces dispersion without deviation. The angle of the second prism should be 

(a) 7°                                              (b) 10°

(c) 12°                                             (d) 5°

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