Physics, asked by cardcustom798, 17 days ago

3 A lens has power 4 D. Find the focal length that lens.

Answers

Answered by sumit83610

1

Answer:

P=1/f

4=1/f

f=1/4=0.25m=25cm

Answered by priya150377

2

Answer:

25cm is the correct answer.

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