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Image Formation by Lenses

Identify plan...

Question

Identify plano-concave lens amongst the following?

A

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B

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C

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D

None of the above

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Solution

The correct option is B

Plano-concave lens:

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Similar questions

Q. The word KVPY is written on a board and viewed through different lenses such that board is at a distance beyond the focal length of the lens.
Ignoring magnification effects, consider the following statements.
(I) Image (i) has been viewed from the planar side of a plano-convex lens and image(ii) from the convex side of a plano-convex lens.
(II) Image (i) has been viewed from the concave side of a plano-concave lens and image (ii) from the convex side of a plano-convex lens.
(III) Image (i) has been viewed from the concave side of a plano-concave lens and image (ii) from the planar side of a plano-convex lens.
(IV) Image (i) has been viewed from the planar side of a plano-concave lens and image (ii) from the convex side of a plano-convex lens.
Which of the above statements are correct?

Q. A Plano convex lens fits exactly into a Plano concave lens. Their plane surfaces are parallel to each other. The lenses are made of different materials of refractive indices

(μ_{1})

of Plano convex lens and

(μ_{2})

of Plano concave lens.

R

is the radius of curvature of the curved surface of the lenses. Then the focal length of the combination is -

Q. A plano concave lens is placed on a paper on which a flower is drawn. How far above its actual position does the flower appear to be ?

Q. A plano-concave lens is placed on a paper on which a flower is drawn. How far above its actual position does the flower appear to be?

From the shown figure, name the lens which is plano-concave :

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