Pls solve this one...
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(a) is your answer 7÷10
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Power of Convex lens = +5D
Power of Concave lens = -2D
Combined Power of both lens,
=5D+(-2D)
=5D-2D
=3D
Combined Focal length,
F=1/D
=1/3
=1/3
RoushanKumarSingh:
c is your answer
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