NEET Physics Motion in a Straight Line / सरल रेखा में गति NEET PYQ-One Dimensional Motion

  • question_answer
    A stone falls freely under gravity. It covers distances \[{{h}_{1}},{{h}_{2}}\] and \[{{h}_{3}},\] in the first 5 seconds, the next 5 seconds and the next 5 seconds respectively. The relation between \[{{h}_{1}},{{h}_{2}}\] and \[{{h}_{3}}\] is                                            [NEET 2013]

    A) \[{{h}_{1}}=2{{h}_{2}}=3{{h}_{3}}\]           

    B) \[{{h}_{1}}=\frac{{{h}_{2}}}{3}=\frac{{{h}_{3}}}{5}\]

    C) \[{{h}_{2}}=3{{h}_{1}}\] and \[{{h}_{3}}=3{{h}_{2}}\]        

    D) \[{{h}_{1}}={{h}_{2}}={{h}_{3}}\]

    Correct Answer: B

    Solution :

    The relation between \[{{h}_{1}},{{h}_{2}}\] and \[{{h}_{3}}\]is
    \[{{h}_{1}}=\frac{h}{3}=\frac{{{h}_{3}}}{5}\]
    \[\Rightarrow \]          \[{{h}_{1}}:{{h}_{2}}:{{h}_{3}}=1:3:5\]


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