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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
          When an incandescent electric bulb glows                           [CDS]

    A) the electric energy is completely converted into light

    B) the electric energy is partly converted into light energy and partly into heat energy

    C) the light energy is converted into electric energy

    D) the electric energy is converted into magnetic energy

    Correct Answer: B

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