Geometrical OpticsHard
Question
A convex lens produces a real image m times the size of the object. What will be the distance of the object from the lens :-
Options
A.
B.(m - 1)f
C.
D.
Solution
- m = 
v = - mu
using lens formula


u = -
v = - mu
using lens formula
u = -
Create a free account to view solution
View Solution FreeMore Geometrical Optics Questions
Two thin lenses of focal length f1 & f2 are in contact and coaxial. The Combination is Equivalent to a signal lens of po...Let the x - z plane be the boundary between two transparent media. Medium 1 in z ≥ 0 has a refractive index of ...For a given lens the magnification was found to be twice as large as when the object was0.15 m distant from it as when t...The figure shows a lens of focal length f and a circular disc of same aperture as that of lens. Parallel lights are fall...A ray of light incident on an equilateral prism at the minimum deviation position. The angle of refraction at the first ...