Paschen series of atomic spectrum of hydrogen gas lies in :
Option: 1 Infrared region
Option: 2 Ultraviolet region
Option: 3 Visible region
Option: 4 Partly in ultraviolet and partly in visible region
Paschen series of atomic spectrum of hydrogen gas lies in Infrared region
?????? ???????????? ????? ????, ?? ???? ????? ????.??? ???????? 16 ??? ?????.?????? 1?? 12 ???.?????? ?????.????? ?????? ???????? ??? ???????? ?????????? ???????????? ??? ??? ????.?????? 5 ?????? ??? 5???? ??? .......8 ?????? ??? 8???? ??? ......???? ????