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A light ray through a glass prism of angle 60° under goes a minimum deviation of 30°. What is the speed of light in the prism?
(Assume c= speed of light in air)

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Important Questions on Ray Optics and Optical Instruments

MEDIUM
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
Which is the following colourful patterns is due to diffraction of light?
EASY
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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EASY
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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EASY
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism

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EASY
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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MEDIUM
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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EASY
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
In which colour have maximum dispersion
MEDIUM
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
A prism has a refracting angle of 60o. When placed in the position of minimum deviation, it produces a deviation of 30o. The angle of incidence is
MEDIUM
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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HARD
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
Monochromatic light is incident on a glass prism of angle A. If the refractive index of the material of the prism is μ , a ray, incident at an angle θ , on the face AB would get transmitted through the face AC of the prism provided:

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EASY
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
Dispersion without deviation is produced by two thin (small angled) prisms which are combined together. One prism has angle 5° and refractive index 1.56. If the other prism has refractive index 1.7, what is its angle?
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Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
The angle of incidence for a ray of light at a refracting surface of a prism is 45o. The angle of prism is 60o. If the ray suffers minimum deviation through the prism, the angle of minimum deviation and refractive index of the material of the prism respectively, are:
MEDIUM
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
What is the required condition, if the light incident on one face of a prism, does not emerge from the other face?
EASY
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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MEDIUM
Physics>Optics>Ray Optics and Optical Instruments>Deviation and Dispersion of Light by a Prism
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