Where should an object be kept on the principal axis of a convex lens of focal length 20
cm, if we would like to get an image double the size of the object?
(a) 40 cm
(b)-40 cm
(c) 30 cm
(d) -30 cm
Answers
Answered by
1
Answer:
40cm option a is correct
kushwahapoonam155:
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Poonam kushwaha
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Poonam please tell how my answer is wrong
correct ans to bata do koi!!!!!!
40 cm
Siso
thanks
Answered by
1
-4cm this is the answer of this question mark as brainlist
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