Physics, asked by amankohli1718, 11 months ago

Two thin lenses of power +3.5D and -2.5D are placed in contact find the focal length and power of the lens combination

Answers

Answered by dev70555

12

p = 1/f [ formula to find power of lens]

1P =1/3.5 = 2.8

2P =1/-2.5 = -0.4

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