A student focuses the image of a candle flame, placed at about 2m from a convex lens of focal length 10cm, 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 moves the lens to focus the flame on the screen?
a) away from the screen
b) towards the screen
c)should not move the screen
d) towards the candle
Answers
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Answer:
towards the screen
Explanation:
so that lens will be clear
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