Biology, asked by bhavanapuli4919, 1 year ago

A doctor advices a 2d lens for a person for good vision.What is its focal length in cm

Answers

Answered by nishant3554
0
P=1/f
2= 1/f
f=0.5m
Here is your answer which you want
Answered by ritamishra21oct
0

Given that tge power of lens P=2D

We know that P=100/f (cm)

2=100/F

2F=100

F=100/2 =50cm

The focal length of the lens is 50



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