Physics, asked by pqgal, 11 months ago

do this..... any.....

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Answered by rudra09

121

The focal length of lens required correction near vision is + 66. 7 cm. Plus sign of focal length tells us thqt it is a convex lens

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Answered by ravi9848267328

0

Answer:

Explanation:

the answer is

p=-5.5d

p=1/f

f=1/p=1/5.5=-0.1818m

it is concave

2)p=1.5

f=1/1.5=0.6667m

it is convex

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