Question 1) Define widemann-Franz law.
Question 2) What are cathode rays? How they are produced?
Question 3) Write down the expression for electrical conductivity.
Question 4) What is Compton effect?
Question 5) State photoelectric effect.
Question 6) What are characteristic X-rays?
Question 7) For the total quantum number n= 4, list the possible values of l and m.
Question 8) Write two concepts of vector atom model.
Question 9) Define Pauli’s exclusion principle.
Question 10) What is lattitude effect in cosmic ray studies?
Question 11) State the principle of scintillation counters.
Question 12) What are the functions of magnetic field and electric field in a cyclotron?
Question 13) What are cosmic ray showers? Why they are called so?
Question 14) What are antiparticle and antimatter?
Question 15) State the principle of GM counter
Question 16) Explain with essential theory Dunnington’s method of finding the e/m of an electron.