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Refracting Telescope

Explain refra...

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Explain refraction in prism also derive expression of this

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Q. Derive an expression for the refractive index of the material of a prism.

Q. Derive the expression for refractive index of the material of the prism in terms of angle of the prism and angle of minimum deviation.

Q. (a) A ray of monochromatic light is incident on one of the faces of an equilateral triangular prism of refraction angle A. Trace the path of ray passing through the prism. Hence derive an expression for the refractive index of the material of the prism in terms of the angle of minimum deviation and its refracting angle.

Q. Derive an expression:

\frac{μ}{v} - \frac{1}{u} = \frac{μ - 1}{R}

for refraction of light at spherical surface.

Q. Derive the following expression for the refraction at concave spherical surface:

\frac{μ}{v} - \frac{1}{u} = \frac{μ - 1}{R}

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