| Post Name | LECTURER IN PHYSICS NCA - COLLEGIATE EDUCATION |
|---|---|
| Question Paper Code | 058/2018/OL |
| Category Code | 033/2018 |
| Date of Test | 27 November 2018 |
| Medium of Question | ENGLISH |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
Who was the K.P.C.C. President at the time of Indian Independents ?
Answer
A. K. Kelappan
2
First annual session of SNDP was help at which of the following places ?
Answer
B. Aruvipuram
3
Who was the author of 'Jathikummi' ?
Answer
A. Pandit Karuppan
4
Among the following organisations which one is the oldest ?
Answer
B. Samathwa Samajam
5
Among the following reforms who is not belongs to the upliftment of Namboothiri Women ?
Answer
D. Devaki Antharjanam
6
Name the first unmanned Tank developed by DRDO in India recently
Answer
D. Muntra
7
Who was FIFA under 17 World Cup foot ball ?
Answer
A. England
8
Who is the winner of Vayalar Award 2017 ?
Answer
D. T.D. Ramakrishnan
9
Who is appointed as the `15^(th)` Finance Commission Chairman of India ?
Answer
C. N.K. Singh
10
What is the ordinal status of Antonio Gutters among the secretary Generals of UNO ?
Answer
C. Ninth
11
The maximum number of eigenvalues of an n × n matrix is:
Answer
A. n
12
Which among the following is a mathematically incorrect operation ?
Answer
C. grad curl
13
In cylindrical coordinates, the intersection of the surfaces ρ = 3 and z = 2 is:
Answer
D. a circle
14
For a Fourier transform, which of the following statements is correct ``?
Answer
A. FT of an even function is even and that of an odd function is odd
15
The complex function z¹⁄² is:
Answer
B. double-valued
16
If Aᵢⱼ and Bⁱᵏ are two tensors and AᵢⱼBⁱᵏ = δⱼᵏ, the Kronecker delta, then Aᵢⱼ and Bⁱᵏ are:
Answer
B. conjugate tensors
17
If Pₙ(x) represents the Legendre polynomials, the value of ∫₋₁¹[P₂(x)]² dx is:
Answer
C. 2/5
18
The value of ∮꜀ (4 − 3z)/(z(z − 1)(z − 2)) dz, where C is the circle |z| = 1/2, is:
Answer
C. 4πi
19
The value of a so that the vector is solenoidal is
Answer
D. -7
20
For a system in which the Lagrangian is not an explicit function of time, the Hamiltonian is
Answer
A. constant
21
For a system of two coupled oscillators, the total number of normal modes is
Answer
B. 2
22
In the short wavelength limit, the schrödinger equation reduces to
Answer
D. Hamilton-Jocobi equation
23
What is the dimension of the fractal-Cantor set ?
Answer
B. 0.63
24
If [F, H] represents the Poisson bracket between an arbitrary function F and the Hamiltonian H of a system, the equation of motion is:
Answer
C. dF/dt = ∂F/∂t + [F, H]
25
The maximum number of rotational degrees of freedom possible for a rigid body is
Answer
D. 3
26
If a₀ denotes the Bohr radius, the most probable distance of the electron from the nucleus in a hydrogen atom in its ground state is:
Answer
B. a₀
27
The normalized wave functions ψ₁ and ψ₂ correspond to the ground state and first excited state of a particle in a potential. An operator  acts as Âψ₁ = ψ₂ and Âψ₂ = ψ₁. The expectation value of  for the state ψ = (3ψ₁ + 4ψ₂)/6 is:
Answer
A. 0.67
28
The value of the commutator [x⁴, p_x] is
Answer
D. 4iℏx³
29
Application of time independent perturbations to linear stark effect of hydrogen atom
Answer
B. Partially removes degeneracy of n = 2 levels and splits it into three levels
30
The wave function of a particle is ψ = φ₀/√2, where φ₀ is the normalized eigenfunction with energy E₀. The expectation value of the Hamiltonian in the state ψ is:
Answer
A. E₀
31
For a one dimensional potential well specified by V(x) = 0 for -a < x < a and V(x) = `oo` for |x| > a, the zero point energy is
Answer
A. Some value greater then zero
32
The total spin angular momentum S of a system of three electrons is:
Answer
D. 1/2 and 3/2
33
The phase shifts measured for elastic scattering of 50 MeV neutrons from a nucleus are δ₀ = 90° and δ₁ = 60°. The total cross section is:
Answer
A. 13π/k²
34
For a Hermitian operator, the eigen values are
Answer
B. real
35
The eigen functions of angular momentum operator are
Answer
D. Spherical harmonics
36
A charged particle moves in a helical path under a constant magnetic field. Its velocity component along the field is twice the component in the plane normal to the field. The ratio of the pitch to the radius of the helical path is:
Answer
D. 4π
37
A square wire loop carries a steady current I. Let R be the shortest distance from the centre to a side. The magnetic field at the centre of the square loop is:
Answer
C. √2μ₀I/(πR)
38
The magnetic field at a distance R from a straight wire carrying a steady current I is proportional to:
Answer
A. I/R
39
Which of the following thermodynamic relation is correct ?
Answer
B. dU = T dS - P dV
40
Which mode of electromagnetic radiation cannot propagate through a rectangular waveguide ?
Answer
C. TEM
41
Which is the least symmetric crystal system ?
Answer
B. triclinic
42
The splitting of an energy level in the anomalous Zeeman effect due to a magnetic field B, from the zero-field level (where μᴮ is the Bohr magneton, mⱼ is the magnetic total-angular-momentum quantum number, and g is the Landé g-factor), is:
Answer
C. gμᴮmⱼB
43
The substances, which are expected to show electron spin resonance spectroscopy, are
Answer
A. paramagentic
44
The selection rule governing transitions between energy levels in pure rotational Raman spectra, in terms of the rotational quantum number J, is:
Answer
C. ΔJ = 0 or ±2 only
45
A radio wave has electric-field intensity 10⁻⁴ V·m⁻¹ at the location of a receiving antenna. What is the magnetic flux density?
Answer
D. 3.3 × 10⁻¹³ T
46
The cutoff frequency of the TE₁₀ dominant mode of an air-filled rectangular waveguide with dimensions x = 8 cm and y = 4 cm is 1875 MHz. What is the cutoff frequency of the TE₁₀ dominant mode for another waveguide with dimensions x = 8 cm and y = 6 cm?
Answer
A. 1875 MHz
47
The ratio of the electric field vector E and magnetic field vector H has the dimension of
Answer
B. resistance
48
For the reverse leakage currents of a BJT in CB (I꜀ʙᴏ) and CE (I꜀ᴇᴏ) configurations, which statement is true?
Answer
C. I꜀ʙᴏ < I꜀ᴇᴏ
49
With a 1 MHz clock frequency, eight bits can be entered in parallel into a shift register in:
Answer
Question Cancelled
50
For an ideal OPAMP integrator circuit, the peak value of output voltage
Answer
B. decreases with frequency of the signal
51
In a 4-bit R-2R ladder digital-to-analog converter, R = 10 kΩ and Vᵣₑꜰ = 10 V. The current resolution is:
Answer
C. 62.5 μA
52
In the expression for the binding energy of a nucleus according to the liquid drop model, which among the following terms arises due to Pauli's exclusion principle ?
Answer
D. asymmetry term
53
The strangeness quantum number S, in the Quark Model for up (u) and down (d) quarks are
Answer
A. zero for both u and d
54
The relation between the Einstein coefficients A₂₁ and B₂₁ is:
Answer
D. A₂₁/B₂₁ = 8πhν³/c³
55
In a canonical ensemble, the elements differ in their
Answer
B. energy
56
The Halmholtz free energy F, absolute temperature T and partition function Z of a canonical ensemble are related as
Answer
A. F = - kT ln Z
57
The mass defect per nucleon is called
Answer
A. packing fraction
58
In how many directions, the electrons in a quantum dot are confined ?
Answer
C. 3
59
The energy versus wave vector graph of an electron in free space is a
Answer
B. parabola
60
The bandgap energy of GaAs is about
Answer
B. 1.42 eV
61
The light emission mechanism in LED is
Answer
A. electroluminescence
62
In a first order phase transition, which among the following statements is true ?
Answer
C. entropy is discontinuous at the boudnary
63
The chemical potential of a photon gas is
Answer
D. zero
64
When a particle of rest mass m attains the velocity of light, its mass becomes
Answer
C. infinity
65
For a conservative system, the slop of the potential energy versus position curve gives
Answer
B. force
66
Are two simultaneous events, happening at the same point, simultaneous in all inertial frames ?
Answer
A. yes
67
The critical field of a superconductor at the critical temperature is
Answer
B. zero
68
In a C60 fullerence molecule, how many pentagonal sides exist ?
Answer
D. 12
69
The open circuit voltage of a solar cell
Answer
C. Decreases with temperature
70
The bandwidth of an amplifier is the range of frequencies at the limits of which its voltage gain falls by _____ from the maximum gain.
Answer
B. 3 dB
71
Which transistor configuration is commonly used for impedance matching ?
Answer
C. common collector
72
What is the hybridization in graphene ?
Answer
B. sp2
73
What happens to the X-ray diffraction peaks from a polycrystalline solid, when its crystalline size decreases ?
Answer
A. become broad
74
The fundamental effect that is used in the conversion of solar energy to heat energy is
Answer
D. Green house effect
75
In biomass, the solar energy is stored in the form of
Answer
C. chemical energy
76
the dimensional of the phase space of a particle moving in a plane is
Answer
A. 4
77
Which among the following is an elementary particle ?
Answer
C. electron
78
The sodium D lines arise due to the transitions
Answer
A. from P state to S state
79
The departure of relative permeability from unity is called
Answer
B. Magnetic susceptibility
80
If the Hall co-efficient of a specimen is positive, the current conduction in the specimen is dominated by
Answer
D. holes
81
The tools used to represent thoughts, ideas, knowledge and concepts are
Answer
C. Renew and reflection tools
82
Which of the following is not a basic purpose of lecture method ?
Answer
B. To explore
83
Validity of a test means
Answer
A. Purposiveness
84
The criterion which is least important while planning a learning experience ?
Answer
A. Expertise of the teacher
85
Which of the following process skill uses a test under controlled conditions ?
Answer
A. Experimenting
86
Which of the following assessment technique is most appropriate for assessing creative thinking in students ?
Answer
B. Open ended questions
87
The process of maintaining a gradation by which specific items are gradually presented one by one in the hierarchical order is
Answer
A. Progressive differentiation
88
Which is not considered as a self-reporting technique ?
Answer
D. Performance test
89
"A teacher should plough the sort before souring the seed". This statement indicates
Answer
D. Instilling an intrinsic motivation in students to learn
90
Skipping is an approach used to cater the needs of
Answer
C. Gifted
91
Who said the Constituent Assembly that the Directive Principles of State Policy are like a cheque on a bank payable at the convenience of the bank ?
Answer
C. K.T. Shah
92
'Contempt of court' place restriction on :
Answer
B. Right to freedom
93
Which commission recommended the abolition of the IAS and IPS ?
Answer
D. Rajamannar Commission
94
The scheme Antyodaya Anna Yojana (AAY) was launched by the government on :
Answer
B. 25 December 2000
95
The authorization for withdraw of funds from the consolidated fund of India must come from
Answer
A. The Parliament of India
96
The system of 'Privacy Purses' in respect of former rules of Indian states before independence was abolished by the constitution through :
Answer
B. `26^(th)` Amendment Act, 1971
97
The Environmental (Protection) Act was enacted in the year
Answer
C. 1986
98
The Emergency Powers of President was taken from which Constitution ?
Answer
B. Constitution of Germany
99
What is the time limit to get the information concerning life and liberty of a person under RTI Act ?
Answer
D. 48 hours
100
Members of the Rajya Sabha are not associated with
Answer
C. Estimate Committee
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