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Railways General Science & Technology Ray Optics Sample Paper Ray Optics Sample Test Paper-6

  • question_answer
    The minimum temperature of a body at which it emits light is

    A)  \[1200{}^\circ C\]       

    B)  \[1000{}^\circ C\]

    C)  \[500{}^\circ C\]         

    D)  \[200{}^\circ C\]

    Correct Answer: C

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