WBUT 2012 PHYSICS-II [PH(EE)-401] Question Paper

CS/B.TECH(EE/EEE/EIE/ICE-New)/SEM-4/PH(EE)-401/2012

2012

PHYSICS-II

Time Allotted : 3 Hours                                    Full Marks : 70

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.

GROUP – A

(Multiple Choice Type Question)

1.       Choose the correct alternatives for any ten of the following:
                                                                                               10 x 1 = 10

          i)        He3 and muon are

                   a)       fermions

                   b)       bosons

                   c)       fermions and bosons respectively

                   d)       bosons & fermions respectively.

          ii)       The degrees of freedom for a system of N particles with K                 constraint relations is given by

                   a)       N-K                                b)       N-3K

                   c)       3N-K                              d)       3K-N.

          iii)      The coordination number for FCC structure is

                   a)       6                                    b)       8

                   c)       12                                  d)       5

          iv)      The dielectric constant for a conductor is

                   a)       0                                    b)       1

                   c)       -1                                   d)       infinity