Physics, asked by abdulaleem2505, 2 months ago

Doctor suggested 4D lens to a patient then, find the focal length of the lens.

Answers

Answered by boragopal027

1

Answer:

So, the local length of the lens is 25 cm. Hence, this is the required solution.

Answered by ashasuresh147

6

Answer :

use the formula power=1/focal length (in metre)

4=1/f

f=1/4 metre

f=0.25metre

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