Physics, asked by Brainlyuser439, 10 months ago

The power of lens used by short sighted person is -2D . Find the maximum Distance of an object which he can see without spectacles?​

Answers

Answered by vineet9900
3

Explanation:

The answer of the question is - 50 cm

Solution refer in Attachment.

Thank you

Attachments:
Answered by Ramkumarssk
0

Explanation:Givenu = ∞ | v = ? | P = -2 Du = ∞ | v = ? | P = -2 Dwe know that, \frac{1}{f}  \:  =  \frac{ 1}{v}  \:  -  \frac{1}{u} And also,P =  \frac{1}{f}  \:  By substitution, we getP  =  \frac{ 1}{v}  \:  -  \frac{1}{u}  -2   =  \frac{ 1}{v}  \:  -  \frac{1}{∞}   v  \:  =   \frac{ 1}{-2}  \:- 0   v  \:  =  -0.5 m v = -0.5 meter = - 50 cm

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