Physics, asked by ahaanasrof923, 8 months ago

the power of a Len's is +2D. it's focal length will be.

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Answered by abhi53527

Answer:

Power of a lens is -2D, negative sign indicates it is a Concave lens. Focal length (in meters)=1/power of the lens, thus focal length=1/2=0.5m=50cm. Answer: Since, Power P = -2 D, Focal length f = 100/(-2) = - 50 cm.

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the power of a Len's is +2D. it's focal length will be.​

Answers

the power of a Len's is +2D. it's focal length will be.