a convex lens of focal length 25 cm and a concave lens of focal length 10 centimetre are placed in soft connect with each other calculate lens of power this combination
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Answer:
I think it is 6 D
Explanation:
F of concave lens is -25
Power will be -4
F of convex lens is 10
Power will be 10 D
COMBINATION OF POWER = P1 +P2
=10-4
=6
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