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JEE Main & Advanced Physics EM Waves JEE PYQ-Electro Magnetic Waves

  • question_answer
    Match the List-I (Phenomenon associated with electromagnetic radiation) with List-II (Part of electromagnetic spectrum) and select the correct code from the choices given below this lists:      [JEE ONLINE 11-04-2014]
    (I) Doublet of sodium Visible radiation
    (II) Wavelength corresponding to temperature associated with the isotropic radiation filling all space Microwave
    (III) Wavelength emitted by Atomic hydrogen in Interstellar space Short radio wave
    (IV) Wavelength of radiation arising from two close energy levels in hydrogen X-rays

    A) (I)-, (II)-, (III)-, (IV)-

    B) (I)-, (II)-, (III)-, (IV)-

    C) (I)-, (II)-, (III)-, (IV)-

    D) (I)-, (II)-, (III)-, (IV)-

    Correct Answer: D

    Solution :

    [d] Wavelength emitted by atomic hydrogen in interstellar space - Part of short radio wave of electromagnetic spectrum. Doublet of sodium - visible radiation.


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