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In displacement method distance of objec...

In displacement method distance of object from convex lens of focal length 20 cm in one position 60 cm. Then

A

in the other position distance of object from convex lens will be 30 cm

B

distance between object and screen is 90 cm

C

Both (a) and (b) are correct

D

Both (a) and (b) are wrong

Text Solution

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The correct Answer is:
C
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DC PANDEY-RAY OPTICS-A. Only one option is correct (JEE Advance)
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