Question

10. Suppose you have focused on a screen the image of candle flame placed at
the farthest end of the laboratory table using a convex lens. If your teacher
suggests you to focus the parallel rays of the sun, reaching your laboratory
table, on the same screen, what you are expected to do is to move the:
(a) lens slightly towards the screen
(b) lens slightly away from the screen
(c) lens slightly towards the sun
(d) lens and screen both towards the sun​

Answer 1

Answer:

lens slightly away from the screen