Calculate the power and nature of this lens he should be using too see clearly the objects placed at the distance of 25cm from his eyes
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the man is trying to see the nearby object which means he has hypermetropia under this condition he must be using convex lens.
here he has to see an object kept 25 cm away so, focal length = 25cm
power of lens = 1/focal length
= 1/25
=0.04
there's your answer 0.04
here he has to see an object kept 25 cm away so, focal length = 25cm
power of lens = 1/focal length
= 1/25
=0.04
there's your answer 0.04
Answered by
0
Answer:
Explanation:Focal length=25cm
Power of lens=1/ 25cm =0.04
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