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SSC Sample Paper SSC CGL - Sample Paper-18

  • question_answer
    Luminious intensity of a source is defined as

    A) Light energy emitted by the same source per unit time

    B) Light energy emitted by the source per unit time per unit area

    C) Light energy emitted by the source per unit time per unit solid angle

    D) None of the above

    Correct Answer: C

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