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JEE Main & Advanced Physics Gravitation / गुरुत्वाकर्षण Question Bank Gravitation Potential

  • question_answer
    If g is the acceleration due to gravity at the earth's surface and r is the radius of the earth, the escape velocity for the body to escape out of earth's gravitational field is [NCERT 1975; RPET 2003]

    A) gr        

    B)             \[\sqrt{2gr}\]

    C)             \[g/r\]   

    D)             \[r/g\]

    Correct Answer: B

    Solution :

       


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