AIPMT | 2014Photoelectric EffectHard
Question
If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de-Broglie wavelength of the particle is
Options
A.25
B.75
C.60
D.50
Solution
λ = 
(∵ p = 
)
λ′ =
= 0.25 λ
% change = - 75%
(∵ p = )λ′ =
= 0.25 λ % change = - 75%
Create a free account to view solution
View Solution FreeMore Photoelectric Effect Questions
The energy of photon of visible light with maximum wavelength in eV is :...De-Broglie wavelength is -...Two particles of masses m and 2m have equal kinetic energies. Their de Broglie wavelengths are in the ratio of :...The energy of a hydrogen atom in the ground state is - 13.6 eV. The energy of He+ ion in the first excited state will be...A candle of diameter d is floating on a liquid on a liquid in a cylindrical container of diameter D(D>>d) as shown in fi...