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For a prism of refractive index 3, the angle of the prism is equal to the angle of minimum deviation. The value of the angle of the prism is-

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Important Questions on Ray Optics

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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 100

An equilateral prism is kept on a horizontal surface. A typical ray of light PQRS is shown in the figure. For minimum deviation

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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 101
A prism has a refracting angle of 60°. If it produces a minimum deviation of 30° in an incident ray, the angle of incidence is
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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 102
A thin prism P1 with angle 4° and made from glass of refractive index 1.54 is combined with another prism P2, made of glass of refractive index 1.72 to produce dispersion without deviation. The angle of prism P2 is
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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 103
A prism has a refracting angle 60°. A ray of given monochromatic light suffers minimum deviation of 38° in passing through prism refractive index of the material of the prism is: (sin49°=0.7547)
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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 104
An equilateral prism has μ=3. Its angle of minimum deviation will be:
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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 105
The deviation is maximum for which colour?
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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 106
The refractive indices of violet and red light are 1.54 and 1.52 respectively. If the angle of the prism is 10°, the angular dispersion is
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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 107
A microscope is focussed on a mark on a piece of paper and then a slab of glass of thickness 3 cm and refractive index 1.5 is placed over the mark. How should the microscope be moved to get the mark in focus again?