Physics, asked by umarjnu, 1 year ago

An object 50 cm tall is placed on the principal axis of a convex lenss.Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens.Calculate the total length of the lens

Answers

Answered by mirdhunJP

1

Answer:

30

Explanation:

as 50-20=30 so this is the answer

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