Physics, asked by imSushant, 9 months ago

The power of two lenses are +12D and -2D. They are placed in

contact on the same axes. What will be the focal length of the combination?

Answers

Answered by kpdeer

3

Answer:

f=0.1m or 10cm

Explanation:

total power = +12+(-2)

= +12-2

= +10

power = 1/f

10= 1/f

f=1/10

f=0.1m

in cm,

0.1×100= 10cm

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