Physics, asked by surbalamayanglambam1, 3 months ago

an object ö is placed 15cm in front of a convex Lens L1, of focal length 20cm
and the final image is formed at I at a distance 80 cm
from the second lens L2. Find the focal length of the L2

Answers

Answered by bharathibalamurugan

1

Explanation:

For explanation and diagram pls check the pic above

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