Questions
A person cannot see objects beyond 2.0 m clearly. If he wants to see the distant objects clearly, the power of lens required to correct his defective vision will be
a
-0.5 D
b
2 D
c
-2 D
d
0.5 D
detailed solution
Correct option is A
for an object at infinity a virtual image should form at 2 m distance 1∞-12=1f f=-2m P=-0.5 DTalk to our academic expert!
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