Question

the power of convex lens is 2 diopter its focal length will be

a 50 cm

b 20 cm

c 40 cm

d 60 cm​

Answer 1

Answer:

p=1/f so f =1/p answer will come

Answer 2

Answer:

The correct ans will be 50 cm

Explanation:

diopter-+2(convex lens)

f- 1000÷2=500mm=50 cm

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