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A person cannot see distinctly objects …

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A person cannot see distinctly objects kept beyound 2 m. This defect can be corrected by using a lens of power

Posted by Sayu Hakla 5 years, 10 months ago

CBSE > Class 10 > Science

1 answers

Neha Bhagat 5 years, 10 months ago

Since, the person is not able to see objects at distance means he is suffering from disease myopia and he should use concave lens of suitable power to correct his vision. Power of the lens should be :- u=&infinity v= 2m F= ? From lens formula we will get f =-2m Sor for power , P=1/f 1/-2 -0.5 Therfore the power of the lens should be -0.5 diptore

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CBSE > Class 10 > Science