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Question
Combination of convex and concave lens of powers 2 D and 6 D respectively will result of into
Combination of convex and concave lens of powers 2 D and 6 D respectively will result of into
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Solution
The correct option is A Convex lens
Power of convex lens = 2DPower of concave lens = 6DThe total power when the lens are combined will beP = 2D + 6D = 8DWe know that power of the convex lens is positive and the power of the concave lens is negative.Hence, as the total power of the combination of lenses is positive, it will be a convex lens
Power of convex lens = 2D
Power of concave lens = 6D
The total power when the lens are combined will be
P = 2D + 6D = 8D
We know that power of the convex lens is positive and the power of the concave lens is negative.
Hence, as the total power of the combination of lenses is positive, it will be a convex lens
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