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UPSC Physics Heat Question Bank Sound, Oscillations, Heat and Thermodynamics

  • question_answer
          Consider the following parts of spectra                               [NDA]
    1. Visible                      
    2. Infrared
    3. Ultraviolet                 
    4. Microwave
    Which one of the following is the correct sequence in which their wavelengths increase?

    A) \[4-3-1-2\]         

    B)      \[4-1-2-3\]

    C) \[3-2-1-4\]                     

    D) \[3-1-2-4\]

    Correct Answer: D

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