NEET Sample Paper NEET Sample Test Paper-48

  • question_answer
    Which one of the following graphs shows the variation of acceleration due to gravity with depth h from the surface:

    A)

    B)  

    C)  

    D)  

    Correct Answer: C

    Solution :

    The acceleration due to gravity at a depth 'h' below the earth surface \[\operatorname{g}'=g\left[ l-\frac{h}{{{\operatorname{R}}_{e}}} \right]\] \[\operatorname{g}'=g\left[ \frac{\operatorname{g}}{{{\operatorname{R}}_{e}}} \right]\operatorname{h}\] compare this with straight line equation \[\operatorname{y} = c + mx\] \[\operatorname{x}=h,\,\,y=g'\] \[\operatorname{m} =\frac{-g}{{{R}_{e}}}~-ve slope\]


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