A parallel beam of light is incident on ...

A parallel beam of light is incident on a converging lens parallel to its principal axis. As one moves away from the les on the other side on its principal axis, the intensity of light

remains constant

continously increses

continuously decreases

first increases then decreases

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HC VERMA-GEOMETRICAL OPTICS-Objective -1

A point source of light is placed in front of a plane mirror.
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Total internal reflection can take only if
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In image formation from spherical mirrors, only paraxial rays are cons...
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A point object is placed at a distance of 30cm from a convex mirror of...
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Figure shows two rays A and B being reflected by a mirror and going as...
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The image formed by a concave mirror
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Figure shows three transparent media of refractive indices mu1, mu2 an...
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Four modifications are suggested in the lens formula to incude the eff...
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A double convex lens has two surfaces of equal radii R and refractive ...
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A point source of light is placed at a distance of 2f from a convergin...
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A parallel beam of light is incident on a converging lens parallel to ...
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A symmetric doule convex lens is cut in two equal parts by a plane con...
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A symmetric doule convex lens is cut in two equal parts by a plane per...
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Two concave lenses L1 and L2 are kept in contact with each other. If t...
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A thin lens is made with as material having refractive index mu=1.5. b...
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A convex lens is made of a material having refractive index 1.2. Both ...
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A point object O is placed on the principal axis of a convex lens of f...
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The rays of different colours fail to converge at a point after going ...
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