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Are the incident of emergent rays symmet...

Are the incident of emergent rays symmetrical with respect to the base of a prism in minimum deviation position ?

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A ray of light is incident at an angle of 60^(@) on the face of a prism with an angle of 60^(@) . Then the refractive index of the material of the prism is (the prism is in minimum deviation position)

Assertion : If the angles of the base of the prism are equal, then in the position of minimum deviation, the refracted ray will pass parallel to the base of prism. Reason : In the case of minimum deviation, the angle of incidence is equal to the angle of emergence.

If a light ray incidents normally on one of the faces of the prism of refractive index 2 and the emergent ray just grazes the second face of the prism, then the angle of deviation is

A ray of light is incident at an angle of 50^(@) on one face of an equilateral prism . What is the angle ,which the emergent ray makes with the second face of the prism , if the deviation produced by the prism is 42^(@) ?

A light ray of angles of incidence 40^(@) emerged from the prism in minimum deviation position. Then what is the angle of incidence on the second surface ?

A ray of light passes through an equilateral prism such that the angle of incidence is equal of emergence and later is equal to 3/4th the angle of prism. The angle of deviation is

Two identical prism of index sqrt3 are kept as shown in the figure. A light ray strikes the first prism at face AB. Find, (a) the angle of incidence, so that the emergent ray from the first prism has minimum deviation. (b) through what angle the prism DCE should be rotated about C so that the final emergent ray also has minimum deviation.

The angle of deviation through a prism is minimum when (A) Incident ray and emergent ray are symmetric to the prism (B) The refracted ray inside the prism becomes parallel to its base (C) Angle of incidence is equal to that of the angle of emergence (D) When angle of emergence is double the angle of incidence Choose the correct answer from the options given below :

AAKASH INSTITUTE-RAY OPTICS AND OPTICAL INSTRUMENTS-ASSIGNMENT (SECTION - D)
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  3. A : A virtual image cannot be caught on a screen but it can be photogr...

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  4. A : When a diver under water looks obliquely at a fisherman standing o...

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  5. A : The apparent depth of a tank of water decreases if viewed obliquel...

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  6. A : Proper cutting of diamond makes it sparkle. R : Diamond has very...

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  7. A : The angle subtended at the eye by an object is equal to the angle ...

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  8. A : In viewing through a magnifying glass, angular magnification decre...

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  9. A : Magnifying power of a simple microscope cannot be increased beyond...

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  10. A : The objective and the eye-piece of a compound microscope should ha...

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  11. A : When viewing through a compound microscope, our eyes should be pos...

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  12. A : The peculiar fish Anableps anableps swims with its eyes partially ...

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  13. A : A virtual image cannot be produced on screen. R : The light ener...

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  14. A : Lenses of large aperture suffer from spherical aberration. R : T...

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  15. A : The image formed by a concave lens is always virtual. R : The ra...

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  16. A : When two lenses in contact form an achromatic doublet, then the ma...

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  17. Assertion : A reflecting type telescope is preferred over refracting t...

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