1.

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) First image has been viewed from the planar side of a plano-convex lens and second image from the convex side of a plano-convex lens.(II) First image has been viewed from the concave side of a plano-concave lens and second image from the convex side of a plano-convex lens.(III) First image has been viewed from the concave side of a plano-concave lens and second image from the planar side of a plano-convex lens.(IV) First image has been viewed from the planar side of a plano-concave lens and second image from the convex side of a plano-convex lens.Which of the above statements are correct?(a) All statements are correct(b) Only statement III is correct(c) Only statement IV is correct(d) Only statements II, III and IV are correct

Answer»

(d) Only statements II, III and IV are correct

A plano-concave lens is a diverging lens and a plano-convex lens is a converging lens.

Image formed by a plano-concave lens is always erect and virtual.

Image formed by a plano-convex lens is real and inverted when object is placed at a distance larger than focal length of lens. Plano-convex lens is a converging lens. Hence, image formed by a plano-convex lens is inverted.

So, all statements are correct.



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