Question 147 of 239
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:
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Answer: (D) (I)-(B), (II)-(A), (III)-(D), (IV)-(A)
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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