combonation of lenses

Asked by adilkhan | 6th Jul, 2008, 01:56: PM

Expert Answer:

use the formula P = P1+P2

from this formula find the power of combination and now use F= 1/P this will give combined focal length

now use the formula

1/F = 1/v -1/u

this will give the nature.size and position of the image,( consider the sign convention while using the formula)

Answered by  | 6th Jul, 2008, 05:47: PM

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