Physics, asked by Renumahala2601, 13 hours ago

two thin convex lenses of focal length 20cm and 40cm are in contact with each other. calculate the focal length and the power of the equivalent lens.?

Answers

Answered by RameshKumarmadhvi

0

Answer:

60 cm

Explanation:

I think the answer is 60 cm

Answered by umadumithra

0

Answer:

60 cm

Explanation:

After calculating I got this much

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