Question

what is the sign in (F),(v),(u) in concave lens. and in convex lens

Answer 1

Heya!

The answer for your question is:

For a concave lens,

F is always negative

V could be either Negative or Positive

U is always Negative.

For a convex lens,

F is Positive

U is negative

V is Positive.

Hope it helped you!

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