Science, asked by sukhigoutam, 6 months ago

a doctor has prescribed a corrective lens of power +2D.Find the focal length of the lens

Answers

Answered by khushinpatel

3

Answer:

the answer is 0.5d the p= 1/f ; p=1/2; p=0.5

Answered by amishasingh1805

3

Answer:

0.5m

Explanation:

Since,

power of a lens = 1/focal length(in metre)

Therefore,

2 = 1/f

f = 1/2

f= 0.5m

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