c) Identify whether the following particles are leptons, baryons or mesons:
1) Electron (e-): Lepton
2) Proton (p): Baryon
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c) Identify whether the following particles are leptons, baryons or mesons:
c) The rest energy of a proton is 938 MeV. If its kinetic energy is also 938MeV, calculate its momentum and speed.
d) Obtain the average value of r of a hydrogen atom in its ground state.
b) State Moseley’s law. Using this law, obtain the frequency of an X-ray line when L to K transition takes place in a silver atom. Take
d) Discuss in brief the following: i) Synchrotrons ii) Counters
d) Calculate the commutator where the function
may be expanded as:
a) A radioisotope P has a half-life of a given sample of this isotope contains 8000 atoms. Calculate (i) its decay constant, (ii) average life, (iii) the time
when 1000 atoms of the isotope P remain in the sample, and (iv) number of
decays per second in the sample at