Photoelectric EffectHard
Question
If λ1 and λ2 denote the wavelengths of de Brogliewaves for electrons in the first and second Bohr orbits in a hydrogen atom, then λ 1/λ2 is equal to :-
Options
A.2/1
B.1/2
C.1/4
D.4/1
More 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...Which of the following is a wrong description of binding energy of a nucleus ?...When a light of a given wavelength falls on a metallic surface the stopping potential for photoelectrons is 3.2 V . If a...Longitudinal strain is possible in:...The atomic weight of boron is 10.81 g/mole and it has two isotopes 105B and 115B. The ratio (by number) of 105B : 115B i...