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:

Doublet of sodium ⇒ X - rays

Wavelength corresponding to temperature associated with the isotropic radiation ⇒ Short radiowave

Wavelength emitted by atomic hydrogen in interstellar space ⇒ Visible radiation

Wavelength of radiation arising from two close energy levels in hydrogen ⇒ Microwave.

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