Atomic and Nuclear Physics Answers

Calculate in J and MeV units the binding energy per nucleus and binding
energy per nucleon for 19 F 9
Mass of proton = 1.00728 u
Mass of neutron = 1.00867 u
Actual atomic mass of 19 F 9 =18.99840u
1 u = 931.9 Mev nucleus-1
=1.493x10-10 J nucleus-1

a) Calculate the radius of the third orbit of Li2+ ion. Also calculate the energy of the electron in the second orbit of Li2+ ion.
Hint: Use equations derived for hydrogen atom in Unit 1.

b) Calculate (i) Rydberg constant for Be3+ ion and (ii) fourth ionization energy of beryllium in J atom-1 and kJ mol-1 units.

In Rutherford's experiment if 2000 particles are deflected at angle of 60 degree then how many particles are deviated at 120 degree?

Calculate the velocity of electron ejected from a platinum surface when radiation of 200 nw falls on it . The work function of platinum is 5ev. (1ev = 1.6*10-19)

what is magnitude of total orbital, total spin and total angular momenta for the ground state 4f of vanadium.

A bus is moving at 10ms^-1 towards a traffic light.when the driver sees the light changed to red,the bus is at a distance of 20m.the reaction time of driver us 0.5s and the deceleration is 4.5ms^-2.with the brake fully applied,how far is the bus when stops?

list the possible sub shells for the n=6shell

What is the circuit which makes the matching