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KVPY SA Exam 05-Nov-2017 Question Paper
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Question : 25
Total: 80
The word ‘’KVPY’’ is written on a board and viewed through different lense such that board is at a distancebeyond the focal length of the lens.
lgnorging 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 planar side of a plano-convex lens.
(iii) Image (i) has been viewed from the cocave 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 ?
All four.
Only (III).
Only (IV).
Only (II), (III) and (IV).
Validate
Solution:
(i) For plano-concave lens or concave lens if object is placed beyond focus image is erected
(ii) For convex lens If object is placed beyond focus image is inverted
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