Haryana PMT Haryana PMT Solved Paper-2008

  • question_answer
    Infrared radiations are detected by

    A)  spectrometer                  

    B)  pyrometer

    C)  nanometer      

    D)  photometer

    Correct Answer: B

    Solution :

                    Pyrometers are infrared sensitive devices, so they are used to detect infrared radiations.


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