Physics, 02.03.2021 19:40 aylengarcia090
(a) The wavelength of a Balmer series line (from n = 3) for by
found to be 656.5 nm. What percentage difference is found between the
and the wavelength predicted by ; = R
( 7 )
[R = 1.097 x 107m]
[GMarks)
(b) If a hydrogen atom has its electron in the n = 4 state, how much energy
in eV is needed to ionize it?
= 3 x 108m/s, h = 6.6 x 10-341/s, 1ev = 1.602 x 10-9/] [6 Marks]
Answers: 1
Other questions on the subject: Physics
Physics, 21.06.2019 15:30, sotelonancy888
Not all tiles will be usedidentify the element present in each star based on the gaps observed in wavelengths of its light refer to this table containing absorption wavelengths (in nm) of several different elements the table ishelium 447, 502 ,587 ,668carbon 427 ,515, 600 ,678sulfur 425, 565, 639, 675xenon 484, 590, 687calcium 429 ,527, 593, 645silver 421 ,521, 662
Answers: 3
Physics, 22.06.2019 09:00, dxpebetty64
When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical
Answers: 2
Physics, 22.06.2019 19:00, arianaaldaz062002
According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?
Answers: 3
You know the right answer?
(a) The wavelength of a Balmer series line (from n = 3) for by
found to be 656.5 nm. What percentag...
Questions in other subjects:
Computers and Technology, 29.09.2019 05:20
Mathematics, 29.09.2019 05:20
Mathematics, 29.09.2019 05:20
