Science, asked by randhawasaab2213, 10 months ago

The image of a needle placed 10 cm from a lens is formed on wall 20 CM on the side of the lens. Find focal length of the lens and size of the image formed if the side of object needle is 2.5 CM.

Answers

Answered by saritatyagii852

0

Answer:

okkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkk okkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkk

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