Physics, asked by ganeshkumarsalugu, 4 months ago

A thin lens has a focal length of 12cm. Is it a convex or concave lens? Why?

Answers

Answered by gaurishka7562

3

Answer:

convex

Explanation:

it is convex because the length is 12 cm and if we measure 12 cm in angle, it will come below 180 degrees hence it is convex

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