Question

A student focuses the image of a candle flame, placed at about 2 m from a convex lens of focal length 10 cm, on a screen. After that he moves gradually the flame towards the lens and each time focuses its image on the screen.

In which direction does he move the lens to focus the flame on the screen?
a) away from screen
b) towards the screen
c) should not move the screen
d) toward the candle

Answer 1

Answer:

1. c

2.a

3.b

4.d

5.d

6.a

7.c

8.b

9.c

10.a

Answer 2

Answer:

all the best to you too☺️

Explanation:

you also in 10 class?