Physics, asked by nandu956, 1 year ago

Focal length of the combination of convex lens of focal length 30 cm and the concave lens of focal length 20cm in contact in the system of converging or diverging lens

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Answered by shrishti1323

Answer:―

Focal length of the combination of convex lens of focal length 30 cm and the concave lens of focal length 20cm in contact in the system of converging or diverging lens

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