A mirror is used to produce an image with magnification of \(\frac{1}{4}\). If the distance between object and its image…
Q1
A mirror is used to produce an image with magnification of \(\frac{1}{4}\). If the distance between object and its image is 40 cm , then the focal length of the mirror is ________ .
[JEE Main 2025, 7 Apr (Shift 2)]
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