Mock Exam: KPSC MOCK TEST KPSC QP 61 2022 OL

1

Nuclear force is

2

In the case of a simple pendulum with a rigid support, the constraint is

3

Two particles of masses

M_1

and

M_2

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

M_1 = 200\text{ g}

, what will be the value of

M_2

?

4

Consider a frame

S'

which is rotating with an angular velocity

\vec{\omega} = (3t+4)\hat{\imath} + t^2 \hat{\jmath} - 5t \hat{k}

with respect to a fixed frame

S

having same origin. The position vector of a particle at any instant as observed in

S'

frame is

\vec{r} = t^2 \hat{\imath} + 6t \hat{\jmath} + (4 + t^3) \hat{k}

. The Coriolis acceleration at time

t = 1

is

5

If

R_E

and

R_M

respectively represents the orbital radii of Earth and Mars, the ratio of orbital velocity of Mars to that of Earth around the Sun is

6

The angular speed of a particle moving under the action of a central force varies

7

The eigen values of a system with Hamiltonian

\hat{H} = \epsilon \vec{\sigma} \cdot \hat{n}

, where

\epsilon

is a constant having dimensions of energy,

\hat{n}

is an arbitrary unit vector and

\sigma_x, \sigma_y

and

\sigma_z

are Pauli matrices, are ______

8

For any given vector

\vec{A}

,

[\vec{\sigma}, \vec{A} \cdot \vec{\sigma}]

9

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

10

Which one of the following represents the matrix for

J_z

for

j = \frac{3}{2}

?

11

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

\psi

as an operator function

12

Assume that an atomic electron with orbital angular momentum quantum number

l=3

is placed in a magnetic field of 3T applied along the z-direction. The separation between the energy levels is _______________ (Take bohr magneton =

10^{-23}

SI units)

13

The operational amplifier 741C has a slew rate of

15\text{ V}/\mu\text{s}

. What is the power bandwidth for a peak output voltage of

200\text{ mV}

?

14

In a gallium arsenide LED, ____________ of the photons incident from the GaAs on the GaAs-air interface are reflected back into the semiconductor. Refractive index of GaAs (at a wavelength

700\text{ nm}

) = 3.50

15

The rate of change of output voltage of an op-amp integrator, in response to a step input is set by

16

For the given n-channel JFET circuit,

I_D = 8\text{ mA}

. What are the values of

V_{DS}

and

V_{D}

?

17

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?

18

An amplifier with resistive negative feedback has two left half plane poles in its open loop transfer function. The amplifier

19

Which of the following is not true for Hermite polynomials? (i)

H_n(-x) = (-1)^n H_n(x)

(ii)

H'_n(x) = 2nH_{n-1}(x)

(iii)

H_{n+1}(x) = 2xH_n(x) + 2nH_{n-1}(x)

20

The series

\sum_{n=2}^{\infty} \frac{\cos n\pi}{\sqrt{n}}

is ______________

21

The value of the integral

I = \int_C \frac{5-2z}{z(z-1)(z-3)} dz

, where

z = x + iy

and

C

is the circle

|z| = \frac{5}{2}

, is _________

22

Given

v(x,y) = 6xy - 5x + 3

. If

z = x + iy

, which one of the following can represent the analytic function

f(z) = u(x,y) + iv(x,y)

?

23

If p is a positive integer, which one of the following represents Bessel function of the first kind of order p?

24

How many hardware interrupts are available in an 8085 microprocessor?

25

What is the use of HOLD signal in an 8085-microprocessor based system?

26

During a memory read cycle in 8085

\mu

P, WAIT states, if required, are introduced between

27

The ______________ data transfer scheme in a microprocessor system is devoid of handshaking signals.

28

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

29

Which of the following statement is not correct for 8085 microprocessors?

30

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?

31

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

\delta V

at a certain time, they will occupy another volume of equal size at a later time (ii) The distribution of representative points moves in the phase space like a compressible fluid

32

The condensation temperature of an ideal Bose gas is 10 K. The specific heat of the gas at temperature 2.5 K is

33

Which of the following statement is/are correct about Landau diamagnetism? (i) It arises from the quantization of the orbits of charged particles in a Fermi gas, in the presence of an external magnetic field (ii) The susceptibility at high temperature varies as

\chi \propto T^{-1/2}

(iii) As

T \to 0

, the susceptibility is independent of temperature

34

For an ideal Bose gas at

T_c

, the deviation in energy from the corresponding classical value is about ___________

35

The pressure exerted at absolute zero by the electrons in a hypothetical metal having three conduction electrons is _________...

36

The Lagrangian of a particle is given by

L = \dot{y}^2 + A\omega^2 y^2 - Cy^3

where A, B and C are constants. The corresponding Hamiltonian is __________

37

The tail current

I_E

emitter current and dc voltage at the point P for the following circuit based on silicon transistor, using second approximation are

38

$\int_{1}^{9} (x^2 - 5x + 2) \Delta^2 (x-4) dx =

39

The phase velocity of ocean waves is

\sqrt{g\lambda / 2\pi}

where g is the acceleration due to gravity. The group velocity of ocean waves is

40

The probability that an N-particle system in contact with a heat reservoir has energy E is proportional to

41

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 ______________

42

The configuration of a known dynamical system is described by generalized coordinate q and its behaviour by the hamiltonian function

H(q,p,t) = \alpha p^2 + \beta p (q+t)^2

, where

\alpha

and

\beta

are constants. If a point transformation is made to a new generalized coordinate

Q = q+t

, the corresponding Hamiltonian

K(Q,P,t)

is _____________

43

\int_{0}^{1} x^{n-1} \left(\ln\frac{1}{x}\right)^{m-1} dx =

44

For a prolate charge distribution of the nucleus, electric quadrupole moment is

45

The above figure shows the

\beta

-ray spectrum of Bi-210. The disintegration energy of the reaction is 1.16 MeV. If the kinetic energy of the

\beta

-particle is 0.76 MeV, calculate the energy of the associated neutrino in MeV.

46

The conservation of parity is valid only for

47

The charge of ddu quark is

48

In the reaction

\pi^+ + n \to \Lambda^0 + X

, what is X?

49

X-ray crystallography is not used to find the physical properties of which of the following

50

If a primitive cell in the direct lattice has a volume V, then the primitive cell of the reciprocal lattice has a volume

51

In a periodic potential lattice, the electron energy values are

52

According to Einstein's theory of specific heat, at lower temperatures the specific heat

53

In piezoelectric materials, electricity is produced by applying

54

The temperature at which an antiferromagnetic substance becomes a paramagnetic substance

55

The critical field strength of a superconducting material is zero at

56

The maximum distance upto which the electron pairs are correlated to produce superconductivity is called

57

In the rotation spectrum of a non-rigid rotator, the rotational constant is related to the centrifugal distortion constant by the relation

58

A linear molecule has ______________ normal modes of vibrations

59

In the rotational Raman spectrum of

O_2

, the spacing between two successive spectral lines is

60

The band transitions represented by (0,0), (0,1), (0,2), (0,3)....in the electronic spectra of diatomic molecules are called

61

If a nucleus has mass number A is even and atomic number Z is odd, then that nucleus has a spin

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

63

In Mössbauer spectroscopy, the emitting and absorbing nuclei are bound in crystal lattice in order to reduce

64

Which of the following is a characteristic of stimulated emission

65

In passive Q-switching of lasers, which of the following is used as the attenuator

66

The following figure shows a four level laser pumping scheme in this which energy level is meta stable state

67

Carbon dioxide laser is a

68

When image is reconstructed in holography, which image is formed at the location formerly occupied by the object

69

The numerical aperture of an optical fibre depends on

70

Which of the following is an advantages of optical fibre communication

71

"The colour of that light is blue". This learner response is a product of

72

The measurement of intellectual and skillful products are done using

73

In a student initiated classroom, students

74

Intelligence is a combination of many traits and capacities. This multiple intelligence theory was proposed by

75

The learner should construct knowledge through proper social interactions. This theory is a premise of

76

The researcher implements an action plan to solve the problem of particular context. This research is known as

77

A research topic is entitled as 'A study on the lifestyle practices of teachers'. The most appropriate method to study this research is

78

The UGC aided agency for organizing teacher training for in service teachers of Higher Education level

79

'There is no relationship between intelligence and home environment' This hypothesis is known as

80

Copying the works of others and claiming as own work is known as

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

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

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

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?

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

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

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

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

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

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 ceiling 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?

91

The aim behind introduction of English Education by English East India Company

92

Who wrote the poem, 'About My Race : A Song'

93

Which agitation related to Women Rights in history of Kerala?

94

Which media group published the Malayalam literary magazine Bhashaposhini

95

Who contributed to revitalising the traditional Keralite dance

96

Which country won Thomas Cup 2022

97

Kalaripayattu included in

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.

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?

100

Who won the Final Indian Premier League (IPL) 2022?

KPSC Mock Test: Non Vocational Teacher in Physics (Senior) - Kerala Vocational Higher Secondary Education

KPSC Mock Test: Non Vocational Teacher in Physics (Senior) - Kerala Vocational Higher Secondary Education