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a lady uses +1.5D glasses to have normal vision from25cm onwards. she uses a20D lens as a simple microscope to see an object. find the max. magnifying power if she uses the microscope (a)together with her glass. (b)withouw the glass

a lady uses +1.5D glasses to have normal vision from25cm onwards. she uses a20D lens as a simple microscope to see an object. find the max. magnifying power if she uses the microscope (a)together with her glass. (b)withouw the glass

Grade:12

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
10 years ago

Dear student,

Power=dioptre=1/focal length(m)

from here we will calculate the focal length and then apply the lens formula..

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Sagar Singh

B.Tech, IIT Delhi

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