# Recent questions and answers in Ray Optics and Optical Instruments

Questions from: Ray Optics and Optical Instruments

### The dispersive power of crown and flint glasses are 0.03 and 0.05 respectively . If difference in refractive indices of blue and red colours is 0.014 for crown glass and 0.023 for flint glass . Then the angle of two prisms for a deviation of $10^{\circ}$ (with out dispersion )

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