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UPSC Physics Work, Energy And Power / कार्य, ऊर्जा एवं शक्ति Question Bank Laws of Motion, Force, Work, Energy and Power, Centre of Mass

  • question_answer
          A jet engine works on the principle of conservation of                                   [NDA]

    A) linear momentum

    B)     angular momentum

    C) energy          

    D) mass

    Correct Answer: A

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