Science, asked by abiis, 1 year ago

the focal length of the combination of two thin lens of power plus 5 Dee and minus to Dee which are in contact is

Answers

Answered by RK242
1
The resultant power of the combination is

= +5 + (-2) = +3D

Now, length is = 1/P = 1/3m = 100/3cm = 33.33cm

Hope it helps..
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