Physics, asked by totawadyogesh4, 7 days ago

Consider optically denser lenses P, Q, R and S drawn below. According to Cartesian sign convention which of these have positive focal length? (A) Only P (B) Only P and Q (C) Only P and R (D) Only Q and S

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Answered by prashantvlog

0

Explanation:

hey buddy please provide the full question

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