abbreviation of lens formula
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lens formula
1/f=1/u+1/v.
or
The lens equation allows us to understand geometric optic in a quantitative way where 1/d0 + 1/di = 1/f. The lens equation essentially states that the magnification of the object = - distance of the image over distance of the object. lens equation
Manjuhnelajeri:
tqs for following
proof bayya
how did you get it
OF1 = Focal length = f
OA = Object distance = u
OA1 = Image distance = v





But from the ray diagram we see that OC = AB


From equation (1) and equation (2), we get
OA = Object distance = u
OA1 = Image distance = v





But from the ray diagram we see that OC = AB


From equation (1) and equation (2), we get
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