Match the List A (Phenomenon associated with electromagnetic radiation) with List B (Part of electromagnetic spectrum) and select the correct code from the choices given below
List A
I. Doublet of sodium
II. Wavelength corresponding to temperature associated with the isotropic radiation filling all space
III. Wavelength emitted by atomic hydrogen in interstellar space
IV. Wavelength of radiation arising from two close energy levels in hydrogen
List B
A. Visible radiation
C. Short radiowave
B. Microwave
C. X-rays
Options :
1) (I)-(A), (II)-(B), (III)-(B), (IV)-(C)
2) (I)-(D), (II)-(C), (III)-(A), (IV)-(B)
3) (I)-(B), (II)-(A), (III)-(D), (IV)-(A)
4) (I)-(A), (II)-(B), (III)-(C), (IV)-(D)