Photoelectric EffectHard
Question
The energy difference between the first two levels of hydrogen atom is 10.2 eV. What is the corresponding energy difference for a singly ionized helium atom ?
Options
A.10.2 eV
B.20.4 eV
C.40.8 eV
D.81.6 eV
Solution
En = 13.6 
ᐃ EH =
= 10.2eV
ᐃEHe =
= 40.8 eV
ᐃ EH =
= 10.2eVᐃEHe =
= 40.8 eVCreate a free account to view solution
View Solution FreeMore Photoelectric Effect Questions
If the Kα radiation of Mo has a wave length of 0.71. The wave length of the corresponding radiation of Cu. [ZMo = 4...According to hook′s law of elasity city, if stress is increased, then the ratio of stress to strain...What will happen to De Broglie′s wavelength if the velocity of electron is increased :...Two lamps of luminous intensity of 8 Cd and 32 Cd respectively are lying at a distance of 1.2m from each other. Where sh...If an orbital electron of the hydrogen atom jumps from the ground state to a higher energy state, its orbital speed redu...