MCQMediumJEE Main 2025 · 7 April, Shift 2Reflection & Spherical Mirrors

Physics Question from JEE Main 2025 · 7 April, Shift 2

A mirror is used to produce an image with magnification of 14\frac{1}{4}. If the distance between object and its image is 40 cm40 \, \text{cm}, then the focal length of the mirror is _____.

  • A

    10 cm10 \, \text{cm}

  • B

    12.7 cm12.7 \, \text{cm}

  • C

    10.7 cm10.7 \, \text{cm}

  • D

    15 cm15 \, \text{cm}

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