A student uses a lens of focal length 50 cm and another of -50 cm. What is the nature of the lens and it's power use by each of them?
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one student uses lens of focal length +50 cm and another of -50cm ...
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one student uses lens of focal length +50 cm and another of -50cm ...
Hope it helps
If s then mark it as Brainliest and say thank...
Answered by
1
+50 means convex lens
-50 means concave lens
Power of convex lens=100÷50=2D
Power of concave =-100÷50=-2D
-50 means concave lens
Power of convex lens=100÷50=2D
Power of concave =-100÷50=-2D
Akansha04:
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