Question

4. (a) How will you obtain the image of the Sun on a paper using convex lens?
(b) What happens if you hold it steady for a few minutes?
(C) Do you get same results using concave lens? Explain.​

Answer 1

Answer:

(a) By keeping the paper at the focus of the convex lens and holding the convex lens in such a way that the sun is on one side and the paper on the other.

(b) The paper will burn.

(c) NO. It is because concave lens is a diverging lens.It will scatter all the light rays of the sun in different directions ....while a convex lens will converge it at a point...

Explanation:

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Answer 2

A. You can obtain it by focusing the real sun image formed by a convex mirror on a paper

B. The paper will burn...

C. No , concave lens do not gives the same results as...
Concave lens is a diverging lens.