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NEET Sample Paper NEET Sample Test Paper-47

  • question_answer
    The height at which the weight of a body becomes\[\frac{1}{16}\] its weight on the surface of earth (radius R), is:

    A) 5R                   

    B) 15R    

    C) 3R                   

    D) 4R

    Correct Answer: C

    Solution :

    \[\operatorname{Force}\,\,=W=\frac{GMm}{{{R}^{2}}}\] \[\frac{W}{16}=\frac{GMm}{{{\left( R+H \right)}^{2}}}\] \[(1)\div (2)\] \[16={{\left( \frac{R+H}{R} \right)}^{2}}\]


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