English, asked by bhushan2312, 1 year ago

power of convex lens of focal length 25cm is

Answers

Answered by hardiksingh0000

37

Power = 1/focal length

F in meters = 25/100

F= 1/4

P=1/(1/4)

P=4D

Mark it the best plz

Answered by digitalwarehouse13

5

Answer:

+4 D

Explanation:

P= 1/f

f=25cm=0.25m

P=1/0.25= 4D

So the power of the lens is +4 D.

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