Ch. Charan Singh University 2008 B.Sc General /Physics VIII - Question Paper

Bsc examination ,2008
PHYSICS viii
Solid State and Nuclear Physics

Time 3hrs Max Marks:33


part -A


Q1)What is Miller Indices?How are they determined?give examples. [7 marks]


Q2)Describe Laue method of studying X ray diffraction by crystals.why is this method not used in determining crystal structure?
[7 marks]

Q3)What are Phonons?Give experimental evidence in support.
What do you mean by crystal momentum? [7 marks]



part -B



Q4)Define Lattice consant.show that for cubic crystals lattice ,the lattice constant "a" is given?
[3 1/2 marks]


Q5)What is nuclear fission?what is the diffrence ranging from nuclear fission and nuclear fision.
[3 1/2 marks]


part -C


Q6)What are magic numbers? [1 Marks]

Q7)What are nuclear detectors?give examples. [1 Marks]

Q8)What do u mean by fermi gas?Give examples
Q9)What do you mean by monoaomic linear lattice vibration ? [1 Marks]

Q10)Write the expression ranging from successive lattice planes of a crystals? [1 Marks]

Earning:   Approval pending.