Q)
(chatquestion)...36
cited
What
al en-
(1)
5R
36
6.
EP
5R
(3)
(4)
5R
20.
The frequency of the photon radiated by a hydro-
gen atom when it de-excites from the first ex-
cited state to the ground state is
(1)
2.47x1015 Hz
(2) 3.47x1015 Hz
(4) 3.47x10 Hz
ries of
2.47x109 Hz
(3)
The smallest wavelength of radiation that may be
emitted by hydrogen is
121.
(2) 91 nm
(1) 122 nm
gy lev-
otion
(4) 112 nm
(3) 400 nm
The angular momentum of the electron in the hy-
can be
h/t
12)
(2)
...
