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MCQMediumJEE Main 2023 · 31 January, Shift 1Variation with Altitude & Depth

Physics Question from JEE Main 2023 · 31 January, Shift 1

At a certain depth dd below the surface of the Earth, the value of acceleration due to gravity becomes four times that of its value at a height 3R3R above the Earth's surface. Where RR is the radius of Earth (Take R=6400 kmR = 6400 \, \text{km}). The depth dd is equal to:

  • A

    5260 km5260 \, \text{km}

  • B

    640 km640 \, \text{km}

  • C

    2560 km2560 \, \text{km}

  • D

    4800 km4800 \, \text{km}

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