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JEE Main & Advanced Sample Paper JEE Main Sample Paper-41

  • question_answer
    A particle has been projected at certain angle \[\text{ }\!\!\theta\!\!\text{ }\]with the horizontal, find the value of \[\text{ }\!\!\theta\!\!\text{ }\] for which the particle hits the ground in such a manner that initial and final velocity vectors are at \[90{}^\circ \].

    A) \[60{}^\circ \]

    B) \[30{}^\circ \]

    C) \[45{}^\circ \]

    D)  For any value of \[\text{ }\!\!\theta\!\!\text{ }\]

    Correct Answer: C

    Solution :

    From the diagram shown \[2\theta ={{180}^{o}}-{{90}^{o}}\] \[\theta ={{45}^{o}}\]


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