Physics, asked by vive4635, 7 months ago

An object is placed in front of a convex lens at 77cm and image formed due to it 308cm from this information find out the focal length of the the lens

Answers

Answered by hibatechno

Answer:

by u-v equation,

Explanation

f=uv divided by(u+v)

=77(308)/77+308

=616

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