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Refraction of Light

43. The refra...

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43. The refractive index of the material of the prismof an angle 60 degree is 1.62 for sodium light. The angle of minimum deviation for this light is: Why cannot we use the formula: deviation= (refractive index - 1) angle of prism??

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A prism is made of glass of unknown refractive index. A parallel beam of light is incident on a face of the prism. The angle of minimum deviation is measured to be 40°. What is the refractive index of the material of the prism? The refracting angle of the prism is 60°. If the prism is placed in water (refractive index 1.33), predict the new angle of minimum deviation of a parallel beam of light.

Q. The angle of incidence for a ray of light at a refracting surface of a prism is

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. The angle of prism is

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Q. A glass prism with a refracting angle of

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has a refractive index

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[Given:

sin (50^{\circ}) = 0.760

]

Q. An equilateral prism is made of a material of refractive index

\sqrt{3}

.The angle of minimum deviation for the prism is

Q. A prism with an angle A=60° produces an angle of minimum deviation 30°.Then the refractive index of the material of prism

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