Physics, asked by ssnew959588, 11 months ago

Power given -40. Find focal

Answers

Answered by astha83

2

p=1/f

-40=1/f

f=1/-40

f= - 1/40

Answered by falgunivaidya23

1

Answer:

P = 1/f ( in metres)

-40 = 1/f

f = 1/-40

f = -0.025 m

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