Physics, asked by jyotisingh9934, 5 months ago

what is the focal length of the lens P= -40 cm?

Answers

Answered by imam0004

2

Answer:

By formula : p = 1/f

Explanation:

given , p= -40

-40= 1/f

f= 1/-40

f= -0.025 m

Answered by shahidchaudhary366

1

Explanation:

given p=-40

-40=1/f

f=1/-40

f=0.025m

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