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Kerala PSC Non Vocational Teacher in Physics (Senior) – Kerala Vocational Higher Secondary Education Previous Question Paper – 061/2022/OL

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Post NameNon Vocational Teacher in Physics (Senior) - Kerala Vocational Higher Secondary Education
Question Paper Code061/2022/OL
Category Code267/2021
Date of Test7 August 2022
Exam TypeOnline Examination
Total Questions100
1
In the case of a simple pendulum with a rigid support, the constraint is
Answer
D. both scleronomic and holonomic
2
Two particles of masses 𝑀1 and 𝑀2 are connected by a light inextensible string and hang over a fixed circular cylinder of radius 5 cm, the axis of which is horizontal. If the system is in equilibrium and 𝑀1 = 200g, what will be the value of 𝑀2 ?
Answer
C. 173 g
3
A frame S′ rotates relative to a fixed frame S, with the same origin, at angular velocity ω = (3t + 4)i + t²j − 5tk. In S′ the position vector is r′ = t²i + 6tj + (4 + t³)k. The Coriolis acceleration at t = 1 is:
Answer
Question Cancelled
4
If Rₑ and Rₘ are the orbital radii of Earth and Mars respectively, the ratio of the orbital velocity of Mars to that of Earth around the Sun is:
Answer
C. √Rₑ : √Rₘ
5
The angular speed of a partical moving under the action of a central force varies
Answer
B. inversely as the square of the distance from the origin to the particle
6
The eigenvalues of a system with Hamiltonian Ĥ = ε σ̂ · n̂, where ε has dimensions of energy, n̂ is an arbitrary unit vector, and σₓ, σᵧ and σz are Pauli matrices, are:
Answer
B. E₁ = ε and E₂ = −ε
7
For any given vector 𝐴 , [→ 𝜎 , 𝐴 .→ 𝜎 ] 2 2 2
Answer
C. 2i 𝐴 × → 𝜎 →
8
Which among the following statements are correct? (i) The eigen values of a Hermitian operator are real (ii) Eigenfunctions belonging to distinct eigenvalues of a Hermitian operator are orthogonal (iii) The set of all eigenvectors of a bounded Hermitian operator forms a complete set (iv) All Hermitian operators represent observables
Answer
B. Only (i), (ii) and (iii) are correct
9
Which matrix represents Jₓ for j = 3/2?
Answer
Question Cancelled
10
Which among the following statements on Klein-Gordon equation are correct? (i) It has nothing to say about the spin of the particle (ii) It can give negative energy solutions (iii) It describes a system of arbitrary number of particles and their antiparticle by treating ψ as an operator function
Answer
A. Statements (i) and (ii) are correct
11
Assume that an atomic electron with orbital angular momentum quantum number l = 3 is placed in a magnetic field of 3 T applied along the z-direction. The separation between the energy levels is ______. (Take Bohr magneton = 10⁻²³ SI units.)
Answer
C. 3.0 × 10⁻²³ J
12
The operational amplifier 741C has a slew rate of 15 V/𝜇s. What is the power bandwidth for a peak output voltage of 200 𝑚𝑉
Answer
C. 12MHz
13
In a gallium arsenide LED, ____________ of the photons incident from the GaAs on the GaAs-air interface are reflected back in to the semiconductor. Refractive index of GaAs (at a wavelength 700 nm)= 3.50
Answer
Question Cancelled
14
The rate of change of output voltage of an op-amp integrator, in response to a step input is set by
Answer
D. all the above
15
For the given n-channel JFET circuit, 𝐼� = 8𝑚𝐴 . What are the values of 𝑉�� and 𝑉��
Answer
B. 𝑉�� = 2.00𝑉;𝑉�� = 3.12𝑉
16
The antenna current of an AM transmitter is 10 A when only the carrier is sent. If the transmitter current increases to 10.87 A on modulation with a single sine wave, what will be the percentage modulation?
Answer
C. 60%
17
An amplifier with resistive negative feedback has two left half plane poles in its open loop transfer function. The amplifier
Answer
A. will be stable for all frequencies
18
Which of the following is not true for Hermite polynomials? � (i) 𝐻� � − 𝑥� = � − 1� 𝐻� �𝑥� (ii) 𝐻′� �𝑥� = 2𝑛𝐻� − 1 �𝑥� (iii) 𝐻� + 1 �𝑥� = 2𝑥𝐻� �𝑥� + 2𝑛𝐻� − 1 �𝑥�
Answer
C. Only Statement (iii)
19
The series Σ from n = 1 to ∞ of cos(nπ)/√n is:
Answer
A. Convergent
20
The value of I = ∮꜀ (5 − 2z)/[z(z − 1)(z − 3)²] dz, where z = x + iy and C is the circle |z| = 5/2, is:
Answer
A. πi/3
21
Given v(x, y) = 6xy − 5x + 3 and z = x + iy, which of the following can represent the analytic function f(z) = u(x, y) + iv(x, y)?
Answer
Question Cancelled
22
If p is a positive integer, which expression represents the Bessel function of the first kind of order p?
Answer
B. Jₚ(x) = Σₙ₌₀∞ [(-1)ⁿ/(n!(n+p)!)](x/2)²ⁿ⁺ᵖ
23
How many hardware interrupts are available in an 8085 microprocessor?
Answer
D. 5
24
What is the use of HOLD signal in an 8085-microprocessor based system?
Answer
A. It is used for direct memory access data transfer
25
During a memory read cycle in 8085 μP, WAIT states, if required, are introduced between
Answer
B. 2nd and 3rd T-states
26
The ______________ data transfer scheme in a microprocessor system is devoid of handshaking signals.
Answer
A. Synchronous
27
The memory locations 8000 H and 8001 H contains hexadecimal numbers 06 H and 04 H respectively. The content of 8000 H after the execution of the following program is LXI H, 8001 LDA 8000 MOV B, M DCX H SUB B MOV M, L STA 8002 HLT
Answer
D. 00H
28
Which of the following statement is not correct for 8085 microprocessors?
Answer
B. Its general purpose registers cannot be used in pairs
29
The temperature of a monoatomic ideal gas is raised by 20%, What is the change in entropy of one mole of the gas, if the rise in temperature occurs at constant pressure? 1 −1
Answer
B. 47.87 log10 (1.2)𝐽𝐾 − 𝑚𝑜𝑙 1 −1
30
Which of the following statement(s) is/are correct consequence of Liouville's theorem? (i) If a given number of representative points occupy an element of volume δV at a certain time, they will another volume of equal size at a later time (ii) The distribution of representative points moves in the - space like a compressible fluid ⎡ ⎢
Answer
Question Cancelled
31
The condensation temperature of an ideal Bose gas is 10 K. The specific heat of the gas at temperature 2.5 K is 1 −1
Answer
B. 2 𝐽𝐾 − 𝑚𝑜𝑙 1 −1
32
Which statements are correct about Landau diamagnetism? (i) It arises from quantization of charged-particle orbits in a Fermi gas in an external magnetic field. (ii) At high temperature, susceptibility varies as χ ∝ T⁻¹ᐟ². (iii) As T → 0, susceptibility is independent of temperature.
Answer
B. (i) and (iii) are correct
33
For an ideal Bose gas at 𝑇� , the deviation in energy from the corresponding classical value is about ___________
Answer
C. 50%
34
The pressure exerted at absolute zero by the electrons in a hypothetical metal having three conduction electrons is _____. Given, density of the metal = 0.9 × 10³ kg m⁻³, atomic weight of the metal = 1.8 × 10² kg (kmol)⁻¹, Avogadro number = 6 × 10²⁶ atoms (kmol)⁻¹, h = 6 × 10⁻³⁴ Js and mass of electron = 9 × 10⁻³⁴ kg.
Answer
Question Cancelled
35
The Lagrangian of a particle is given by L = 𝑦. + 𝐴𝑤 2𝑦 2 − 𝐶𝑦 3 where A, B and C are constants. The corresponding Hamiltonian is __________ 2
Answer
Question Cancelled
36
The tail current 𝐼� emitter current 𝐼� and dc voltage at the point P �𝑉� � for the following circuit based on silicon transistor, using second approximation are
Answer
D. 𝐼� = 3.77𝑚𝐴, 𝐼� = 1.88 mA and 𝑉� = 6.36V
37
� �𝑥 2 − 5𝑥 + 2� Δ �2�𝑥 − 4��𝑑𝑥 = 9
Answer
B. -1
38
The phase velocity of ocean waves is √(gλ/(2π)), where g is acceleration due to gravity. The group velocity is:
Answer
A. √(gλ/(8π))
39
The probability that an N-particle system in contact with a heat reservoir has energy E is proportion is proportional to
Answer
A. exp(−E/(kT))
40
For a 16-bit analog-to-digital converter calibrated for a 0 to 5V range, the analog voltages corresponding to LSB and MSB are respectively _____________ and ______________
Answer
D. 76.3 μV, 2.50 V
41
A dynamical system has Hamiltonian H(q,p,t) = αp² + βp(q + t)². If the point transformation Q = q + t is made, the corresponding Hamiltonian K(Q,P,t) is:
Answer
C. K = αP² + P(βQ² + 1)
42
� 𝑥 � − 1� ln � 1 �� 𝑑𝑥 = 𝑥 1
Answer
Question Cancelled
43
Nuclear force is
Answer
B. Spin dependent
44
For a prolate charge distribution of the nucleus, electric quadrupole moment is
Answer
A. Positive
45
Energy of the β particles in MeV. The above figure shows the β-ray spectrum of Bi-210. The disintegration energy of the reaction is 1.16 MeV. If the kinetic energy of the β-particle is 0.76 MeV, calculate the energy of the associated neutrino in Mev.
Answer
D. 0.4 MeV
46
The conservation of parity is valed only for
Answer
C. Both (1) and (2)
47
The charge of ddu quark is
Answer
B. zero
48
In the reaction � + 𝑛 → � + 𝑋 , what is X?
Answer
A. 𝐾 +
49
X-ray crystallography is not used to find the physical properties of which of the following
Answer
D. Liquid
50
If a primitive cell in the direct lattice has a volume V, then the primitive cell of the reciprocal lattice has a volume 3 �2𝜋�
Answer
A. 𝑉 3
51
In a periodic potential latice, the electron energy values are
Answer
B. discontinuous
52
According to Einstein's theory of specific heat, at lower temperatures the specific heat
Answer
D. Drops exponentially with decrease of temperature
53
In piezoelectric materials, electricity is produced by applying
Answer
B. Pressure
54
The temperature at which an antiferromagnetic substance becomes a paramagnetic substance
Answer
D. Neel temperature
55
The critical field strength of a superconducting material is zero at
Answer
A. Transition temperature
56
The maximum distance upto which the electron pairs are correlated to produce superconductivity is called
Answer
C. Coherence length
57
In the rotation spectrum of a non-rigid rotator, the rotational constant is related to the centrifugal distortion constant by the relation:
Answer
B. D = 4B³/ω̄²
58
A linear molecule has ______________ normal modes of vibrations
Answer
C. 3n-5
59
In the rotational Raman spectrum of 𝑂2 , the spacing between two successive spectral lines is
Answer
A. 8B
60
The band transitions represented by (0,0), (0,1), (0,2), (0,3)....in the electronic spectra of diatomic molecules are called
Answer
D. V'' progressions
61
If a nucleus has mass number A is even and atomic number Z is odd, then that nucleus has a spin
Answer
B. Integer
62
An NMR signal for a compound is found to be 200 Hz downward from TMS peak using a spectrometer operating at 50 MHz. What is its chemical shift in ppm
Answer
D. 4 ppm
63
In Mössbauer spectroscopy, the emitting and absorbing nuclei are bound in crystal lattice in order to reduce
Answer
C. Recoil energy
64
Which of the following is a characteristic of stimulated emission
Answer
D. All of the above
65
In passive Q-switching of lasers, which of the following is used as the attenuator
Answer
B. Semiconductor
66
The following figure shows a four level laser pumping scheme in this which energy level is meta stable state
Answer
C. 𝐸3
67
Carbon dioxide laser is a
Answer
A. Four level laser
68
When image is reconstructed in holography, which image is formed at the location formerly occupied by the object
Answer
A. Virtual image
69
The numerical aperture of an optical fibre depends on
Answer
C. Both (1) and (2)
70
Which of the following is an advantages of optical fibre communication
Answer
D. All of the above
71
"The colour of that light is blue". This learner response is a product of
Answer
B. Perception
72
The measurement of intellectual and skillful products are done using
Answer
C. Authentic Assessment
73
In a student initiated classroom, students
Answer
D. participate in all decision making processes
74
Intelligence is a combination of many traits and capacities. This multiple intelligence theory was proposed by
Answer
A. Gardner
75
The learner should construct knowledge through proper social interactions. This theory is a premise of
Answer
B. Social constructivism
76
The researcher implements an action plan to solve the problem of particular context. This research is known as
Answer
C. Action research
77
A research topic is entitled as 'A study on the lifestyle practices of teachers'. The most appropriate method to study this research is
Answer
A. Survey method
78
The UGC aided agency for organizing teacher training for in service teachers of Higher Education level
Answer
D. Human Resource Development Centre
79
'There is no relationship between intelligence and home environment' This hypothesis is known as
Answer
C. Null Hypothesis
80
Copying the works of others and claiming as own work is known as
Answer
A. Plagiarism
81
Which are the non-justiciable rights of Indian citizens? (i) Art.41, 43, 45, 39A (ii) Art.48, 45, 41, 39 (iii) Art.39 d, 39c, 47, 50 (iv) Art.45, 43, 39f, 41
Answer
C. (i) and (iv)
82
"The preamble of the constitution of India serves two purposes" - Identify them (i) Indicates the sources from which the constitution derives its authority. (ii) Ideals of the resolutions are faithfully embodied (iii) It states the objects which the Constitution seeks to establish and promote. (iv) Protect the ultimate sovereignty of the people of India
Answer
D. (i) and (iii)
83
Few names of the Chief Election Commissioners of India are given. Which among the following is in correct chronology? (i) Sukumar Sen, KVK Sundaram, SP Sen Verma (ii) Sukumar Sen, M.S. Gill, Nagendra Singh (iii) Sukumar Sen, M.S. Gill, SP Sen Verma (iv) Sp sen Varma, KVK Sundaram, T.N. Seshan
Answer
A. (i) only
84
With reference to the NEP 2020, consider the following statements (i) Increase the gross enrollment ratio in Higher Education to 50% by 2030 (ii) Start Higher Education commission including medical and legal education. (iii) Set up an Indian Institute of Translation and Interpretation. (IITI) (iv) Ek Bharath Shreshta Bharath initiative will be started Which of the above statements is/are correct?
Answer
B. (iii) only
85
Trace the true features related to the state of Andhra Pradesh (i) It is the Eighth largest state in India (ii) Occupies the third largest coast line (iii) Andhra Pradesh bifurcated in the year 2015 (iv) The state celebrates Ugadi as festival
Answer
A. (i) and (iv)
86
Which of the following statements is not true in the context of MP LADS? (i) Funds are released in the form of grants in aid directly to the State Government (ii) Elected Loksabha members can recommend works in their respective constituencies (iii) 15 percent of MPLADS funds are to be utilised for areas inhabited by ST population. (iv) Nominated members can utilise fund anywhere in the country
Answer
C. (i) and (iii)
87
Which among the following statements are false related to Pradhanamantri Mudra Yogana? (i) Launched in the year 2016 (ii) Launched three innovative projects Shishu, Kishore and Tarun (iii) Extending funding support to encourage entrepreneurship in India (iv) Extending no support to activities allied to agriculture
Answer
B. (i), (ii) and (iv)
88
Which of the following statements are true about the policy on Child Labour? (i) The National Policy on Child Labour was announced in 1987 (ii) The Child Labour Prohibition and Regulation act came into force from 2017 (iii) The National Child labour Project Scheme was started in 1988 (iv) The National Child Labour Project Societies are set up at state level
Answer
C. (i) and (iii)
89
Locate the major interventions of RKSK (i) Weekly Iron Folic acid Supplementation (ii) Adolescent Family Health Clinics (iii) Promotion of Menstrual Hygiene among Adolescent Girls (iv) Peer Education programmes
Answer
D. (i), (iii) and (iv)
90
With reference to The National Overseas Scholarship for ST students, consider the following statements (i) The number of awards has been increased to 15 (ii) Number of subjects has been increased from 35 to 52 (iii) The maximum income sealing has been increased to 8 lakhs per annum (iv) 30 percent of the scholarships are reserved for Girls Which of the statements given above are correct?
Answer
A. (ii) and (iv)
91
The aim behind introduction of English Education by English East India Company
Answer
C. To supply the company with reliable and capable public servant
92
Who wrote the poem, 'About My Race : A Song'
Answer
B. Kumara Guru
93
Which agitation related to Women Rights in history of Kerala?
Answer
A. Channar Revolt
94
Which media group published the Malayalam literary magazine Bhashaposhini
Answer
D. Malayala Manorama Company Ltd
95
Who contributed to revitalising the traditional Keralite dance
Answer
C. Vallathol Narayana Menon
96
Which country won Thomas Cup 2022
Answer
A. India
97
Kalaripayattu included in
Answer
C. Martial arts
98
Government of India announce a series of events to celebrate 75th anniversary of India's independence. In which name of the series of events announced.
Answer
B. Azadi Ka Amrit Mahotsav
99
The World Economic Forum presented the concept of Global Collaboration Village at the annual meeting of 2022. What is the aim of Global Collaboration village?
Answer
D. To create a new virtual space where global interaction can be enhanced and cooperative solutions found:
100
Who won the Final Indian Premier League (IPL) 2022?
Answer
B. Gujarat Titans

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