Physics, asked by eshani78, 11 months ago

The power of a lens is - 2.0 D. Find its focal length and it's kind????
Answer is 50cm..​

Answers

Answered by shiva752
3

Answer:

power of lens = -2

we know that,

power = 1/f

-2 = 100/f ( in cm.)

f = 100/2

f = 50 cm.

f is positive so it's a convex lens

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