BSc Physics SEM V 2016 17 2016-17 Physics II Solid State Physics Question Paper - Mumbai University | munotes
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Questions asked in this paper
(3) Neat diagrams
Se /log tables is allowed
have their usual meaning uniess otherwise sta
of free Space Ho = 47x 107
ve expressions for relaxation time, c
any er band
erive 2 of lead at
B Attempt any ONE: 04
i) he lead material works as a superconductor at a temperature of
c = If the constant characteristics field of the lead material at 0K
IS Hy = 8 x Calculate the critical magnetic field in lead
) onsider a two dimensional square lattice of sides 0.3 nm. At what
electron mornentum values do the sides of the first Brillouin zone
Calculate the energy of the free electron with this momentum
C Attempt any ONE: 04
i) A magnetic materiai has magnetization of 3300 and-fiux density of
0.0044Wb/m?.Calculate the magnetic field of the material
if) Estimate the diamagnetic susceptibility of solid argon which has atomic
number 18 and its concentration at 4K is 2.66 x atoms/m3.The root
mean square distance of an electron from nucleus is 0.62AU
i) A bar of silicon 2cm !ong has a cross sectional area of 1cm?. The crystal
is n-type with a donor concentration ‘of If the resistance of the
10 Q, what is the mobility? :
ii) A germanium p-n Junction dicde has in the n region
and 1022 acceptor in the p region. Find the value of the barrier
potential developed the unbiased junction at
Se /log tables is allowed
have their usual meaning uniess otherwise sta
of free Space Ho = 47x 107
ve expressions for relaxation time, c
any er band
erive 2 of lead at
B Attempt any ONE: 04
i) he lead material works as a superconductor at a temperature of
c = If the constant characteristics field of the lead material at 0K
IS Hy = 8 x Calculate the critical magnetic field in lead
) onsider a two dimensional square lattice of sides 0.3 nm. At what
electron mornentum values do the sides of the first Brillouin zone
Calculate the energy of the free electron with this momentum
C Attempt any ONE: 04
i) A magnetic materiai has magnetization of 3300 and-fiux density of
0.0044Wb/m?.Calculate the magnetic field of the material
if) Estimate the diamagnetic susceptibility of solid argon which has atomic
number 18 and its concentration at 4K is 2.66 x atoms/m3.The root
mean square distance of an electron from nucleus is 0.62AU
i) A bar of silicon 2cm !ong has a cross sectional area of 1cm?. The crystal
is n-type with a donor concentration ‘of If the resistance of the
10 Q, what is the mobility? :
ii) A germanium p-n Junction dicde has in the n region
and 1022 acceptor in the p region. Find the value of the barrier
potential developed the unbiased junction at
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