Question

for a given lens, the magnification was found to be twice as large as the object was 0.15m distant from it as when the distance was 0.2m . the focal length of the lens is
1) 1.5m 2)0.20m
3) 0.10m 4) 0.05m​

Answer 1

Explanation:

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Answer 2

Answer:

Explanation:

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