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JEE Main & Advanced Physics EM Waves Question Bank Numerical Value Type Questions - Electro Magnetic Wave

  • question_answer
    Find the intensity of visible radiation at a distance of 1 m from a bulb of \[100\text{ }W\] which converts only 5% its power (in\[W/{{m}^{2}}\]) into light.

    Answer:

    0.40


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