Physics, asked by sarajilani3, 9 months ago

Two lenses, one convex and the other concave are kept in contact. The
focal length of convex lens is 30cm and that of concave lens is 20 cm
What will be the equivalent focal length of the combination? What
will be the nature of the combination?​

Answers

Answered by shehzeenfathma156
1

Answer:50 will be the f.

Combination Is convexoconcave lens

Hope u got the answer.

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