Science, asked by sujalkumar703, 3 months ago

You have a lens of power-0.25 D. Find the focal length of lens

Answers

Answered by raamkishore

1

Answer:

power of lens is defined as reciprocal of focal length hence the answer is -4cm

Explanation:

p= 1 / f

0.25= 1/f

f= 1/0.25

f= -4 cm

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