The position of final image formed by the given lens combination from the third lens will be at a distance of 
, and 
A
.
B
infinity
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Given, lens combination and position of object is as shown below:
Consider first lens, fir ș t 
By lens formula,
Now, image of first lens will behave as object for second lens.
Consider second lens,
Again, using lens formula,
So light rays emerge parallel after refraction from the second lens.
So parallel light rays passes through third lens, image is formed at focus. So image as formed 
from 3rd lens.
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