Question
The object distance u, the image distance v and the magnification m in a lens follow certain linear relations. These are
Answer: Option A
:
A
For a lens 1f=1v−1u⇒1v=1u+1f....(i)
Also m=f−vf=1−vf⇒m=(−1f)v+1...(ii)
On comparing equations (i) and (ii) with y =mx +c.
It is clear that relationship between 1vvs1uand m vs v is linear.
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:
A
For a lens 1f=1v−1u⇒1v=1u+1f....(i)
Also m=f−vf=1−vf⇒m=(−1f)v+1...(ii)
On comparing equations (i) and (ii) with y =mx +c.
It is clear that relationship between 1vvs1uand m vs v is linear.
Was this answer helpful ?
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