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  5. Gravitation and Floatation

9th Class Science Gravitation and Floatation Question Bank Gravitation Formative Objective Problems

  • question_answer
    g value at a depth \[{}^{R}/{}_{10}\]from the surface of the earth is

    A)  \[\frac{4g}{5}\]                               

    B)  \[\frac{9g}{10}\]

    C)  \[\frac{g}{10}\]                               

    D)  g

    Correct Answer: B

    Solution :

       \[{{g}_{d}}=g\left( 1-\frac{d}{R} \right)=g\left( 1-\frac{1}{10} \right)=\frac{9g}{10}\]


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