Photoelectric EffectHard
Question
In an α-decay the Kinetic energy of a particle is 48 MeV and Q-value of the reaction is 50 MeV. The mass number of the mother nucleus is:- (Assume that daughter nucleus is in ground state)
Options
A.96
B.100
C.104
D.none of these
Solution
We have Kα =
. Q ⇒ Kα =
. Q ⇒ 48 =
.50 ⇒ A = 100
Create a free account to view solution
View Solution FreeMore Photoelectric Effect Questions
A proton and an a - particle accelerated through same voltage. The ratio of their De-broglie wavelength will be :...The energy of the reaction Li1 + p 2 He4 is (the binding energy per nucleon in Li7 and He4 nuclei are 5.60 and 7.06 MeV ...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...The work function of a certain metal is . When a monochromatic light of wavelength λ < λ0 is incident such ...Consider 2 hydrogen like ions A and B. Ionization energy of A is greater than that of B. Let r, u, E and L represent the...