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JEE PHYSICS MCQ: RAY OPTICS

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Understanding +4 | -1
The relation between the linear magnification mm, the object distance uu and the focal length ff is
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Correct option: B
m=ff−um=\frac{f}{f-u}
Option B (m=ff−um=\frac{f}{f-u}) is correct because it is derived from the lens formula and magnification formula.

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