Question

A man can see the object upto a distance of one meter from his eyes.
For correcting his eye sight so that he can see an object at infinity, then he requires a lens whose power is​

Answer 1

Step-by-step explanation:

The image of object at infinity should be formed at 100 cm from the eye

f

1

=

∞

1

−

100

1

=−

100

1

So the power =

100

−100

=−1 D

( Distance is given in cm but P=

f

1

in metres )

Hope you understand it