Physics, asked by ashuasif2007, 2 months ago

doctor advised to use 0.5D lens .what is its focal length

Answers

Answered by advocatessureshkumar

0

Answer:

sorry i cannot understand what u wrote

Answered by agrawalbhavya943

4

Power = 0.5D

Focal length=?

P=1/f

f=1/p

f=1/0.5

f=10/5

f=2

Hence Focal length is equal to 2

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