Photoelectric EffectHard
Question
The frequency of the first line in Lyman series in the hydrogen spectrum is n. What is the frequency of the corresponding line in the spectrum of doubly ionized Lithium ?
Options
A.ν
B.3 ν
C.9 ν
D.27 ν
Solution
E = 13.6 
ᐃ EH =
= 10.2 eV = hν
ᐃELi =
= 91.80 eV = h (9 n)
ᐃ EH =
ᐃELi =
Create a free account to view solution
View Solution FreeMore Photoelectric Effect Questions
The anode voltage of a photocell is kept fixed. The wavelength λ of the light falling on the cathode is gradually c...-In Davisson - Germer experiment, Nickel crystal acts as :-...The mass of nucleus is 0.042 u less than the sum of the masses of all its nucleons. The binding energy per nucleon of nu...The ratio of wavelength of deutron and proton accelerated through the same potential difference will be -...Longitudinal strain is possible in:...