12th Class Physics Ray Optics Question Bank Case Based (MCQs) - Ray Optics and Optical Instruments

  • question_answer
    A standard 100 watt incandescent light bulb emits approximately:

    A) 1700 Lumen

    B) 700 Lumen

    C) 1200 Lumen

    D) 1000 Lumen

    Correct Answer: A

    Solution :

    Option [a] is correct. Explanation: A standard 100 watt incandescent light bulb emits approximately 1700 lumens.


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