# Kerala PSC HSST physics Solved Paper 2016 part 3

Kerala PSC Higher secondary school teacher Physics solved Paper
Category Code: 033/2016
Exam: HSST Physics SR for SC/ST
Date of Test 03-10-2016
Alphacode A

51:-Anomalous Zeeman effect is exhibited by atoms having
A:-zero spin angular momentum
B:-non-zero spin angular momentum
C:-non -zero orbital angular momentum
D:-none of these

52:-The lande g factor for the 3D1 level of an atom is
A:-1/2
B:-3/2
C:-5/2
D:-7/2

53:-The ratio of intensity of D1 and D2 line of sodium atom is
A:-1:2
B:-2:1
C:-3:2
D:-2:3

54:-Identify the molecule whose vibrations are both Raman and IR active
A:-`CO_(2)`
B:-`CS_(2)`
C:-`H_(2)O`
D:-`O_(2)`

55:-The term `(j_(1),j_(2))` arising from 2s1,2p1 electronic configuration in jj coupling scheme is
A:-```(1/2,3/2)_(2,1)` ```(1/2,1/2)_(1,2)`
B:-```(1/2,3/2)_(2,1)` ```(1/2,1/2)_(1,0)`
C:-```(3/2,5/2)_(4,3)` ```(1/2,3/2)_(2,1)`
D:-```(1/2,1/2)_(2,1)` ```(3/2,1/2)_(1,0)`

56:-Metallic sodium has a BCC structure. Which of the following lines will be absent in the diffraction patternA:-(100)
B:-(200)
C:-(110)
D:-(222)

57:-The reciprocal lattice to a BCC lattice is a lattice of type
A:-Simple cubic
B:-BCC
C:-FCC
D:-none of the above

58:-Hall co-efficient gives an indication of
A:-thermal conductivity
B:-specific heat capacity
C:-carrier concentration
D:-None of the above

59:-If the fermi energy of copper is 7.0 eV, what is the corresponding fermi temperature ?
A:-81.2 K
B:-812 K
C:-8120 K
D:-81200 K

60:- Which of the following is not true for type I super conductor
A:-Exhibit complete Meissner Effect
B:-Perfect diamagnetism below Tc
C:-Also known as soft superconductors
D:-Exhibits a vortex state

61:-Average Binding Energy of a nucleon in the nucleus of an atom is
A:-7.8eV
B:-7.8KeV
C:-7.8MeV
D:-7.8BeV

62:-Weak nuclear forces act on
C:-all particles
D:-all charged particles

63:-An admissible potential between the proton and neutron in a deutron is
A:-coulomb
B:-harmonic oscillator
C:-finite square well
D:-infinite square well

64:-``Half life of a radio active material is 4 days. After 20 days the fraction remaining undecayed will be
A:-1/32
B:-1/20
C:-1/16
D:-1/8

65:-Nuclear fusion requires high temperature because
A:-all nuclear reactions absorb heat
B:-the particles can not come closer unless they are moving rapidly
C:-the B.E. must be supplied from an external source
D:-mass defect must be supplied

66:-The ripple factor in a rectifier circuit indicates
A:-amount of a.c. voltage present in output
B:-amount of d.c. voltage present in output
C:-change in d.c. voltage when input a.c. changes
D:-change in d.c. voltage when load. changes

67:-The cathod of a zener diod in a voltage regulator is normally
A:-more positive than the anode
B:-more negative than the anode
C:-at +0.7 V
D:-grounded

68:-An oscillator differs from an amplifier because
A:-it has more gain
B:-it requres no input signals
C:-it requres no d.c. supply
D:-it always has the same output

69:-If maximum and minimum amplitudes of an amplitude modulated waves are 10V and 5V respectively, the modulation index is
A:-2
B:-0.5
C:-3.3
D:-0.33

70:-Thermal runaway is not possible in FET because as the temperature of FET increases
A:-the mobility decreases
B:-the transconductance increases
C:-the drain current increases
D:-none of the above

71:-The dimension of Cantor set is
A:-0
B:-0.631
C:-1.683
D:-1

72:-The fixed points of the Logistic map `x_(n+1)` = a`x_(n)` (1-`x_(n)`) are
A:-x=0 and x=1-`(1)/(a)`
B:-x=0 and x=1/a
C:-x=1 and x=1/a
D:-x=1 and x=1- `(1)/(a)`

73:-A stable and unstable fixed point collide each other and vanish as the control parameter is decreased in
A:-Hopf bifurcation
B:-Pitchfork bifurcation
C:-Transcritical bifurcation

74:-If l0> and l1> are eigen states of number operator which of these represent a state orthogonal to
`(1)/(sqrt(2))` (l0> + l1>)
A:-`(1)/(sqrt(2))` (l0> - l1>)
B:-`(1)/(sqrt(2))` (l0> + l1>)
C:-l1>
D:-l0>