6.Name the first unmanned Tank developed by DRDO in
India recently
A.Arjun
B.Arihant
C.Sivalik
D.Muntra
Ans:D
7.Who was FIFA under 17 World Cup foot ball?
A.England
B.Spain
C.Brazil
D.India
Ans:A
8.Who is the winner of Vayalar Award 2017?
A.U.K.Kumaran
B.K.R.Meera
C.Subashchandran
D.T.D.Ramakrishnan
Ans:D
9.Who is appointed as the ‘15^(th)’ Finance
Commission Chairman of India?
A.Y.V.Reddy
B.C.Rangarajan
C.N.K.Singh
D.Dr.Vijay Kelkar
Ans:C
10.What is the ordinal status of Antonio Gutters
among the secretary Generals of UNO?
A.Tenth
B.Seventh
C.Ninth
D.Eighth
Ans:C
11.The maximum number of eigen values of an n’xx’ n
matrix is
A.n
B.’n^(2)’
C.2n
D.’(1)/(2)n(n-1)’
Ans:A
12.Which among the following is a mathematically
incorrect operation?
A.Grad div
B.Div curl
C.Grad curl
D.Curl grad
Ans:C
13.In cylindrical co-ordinates,where surface ‘rho’=3
and z=2 intersect is
A.A finite plane
B.A semi infinte plane
C.A cylinder
D.A circle
Ans:D
14.For a Fourier transform,which of the following
statements is correct’’?
A.FT of an even function is even and that of an odd
function is odd
B.FT of an even function is odd and the of an odd
function is even
C.FT of an even function is even and that of an odd
function is even
D.FT of an even function is odd and that of an odd
function is odd
Ans:A
15.The complex function ‘Z^((1)/(2))’ is
A.Single valued
B.Double valued
C.N-valued
D.2N-valued
Ans:B
16.If ‘A_(ij)’and ‘B^(ik)’ are two tensors and
‘A_(ij)B^(ik)=delta^(k)_j’ the Kronecker Delta,then ‘A_(ij)’ and ‘B^(ik)’ are
A.Associate tensors
B.Conjugate tensors
C.Symmetric tensors
D.Fundamental tensors
Ans:B
17.If ‘P_(n)(x)’ represents the Legendre
polynomials,the value of ‘int_-1^1[P_(2)(x)]^(2) dx’ is
A.’(2)/(3)’
B.’(1)/(3)’
C.’(2)/(5)’
D.’(3)/(5)’
Ans:C
18.The value of ‘int_c(4-3z)/(z(z-1)(z-2)’ dz where
c is the circle |z|=’(1)/(2)’ is
A.2’ Pii’
B.’8Pii’
C.’4Pii’
D.Zero
Ans:C
19.The value of a so that the vector
(2x+3y)i+(5y-2z)j+(7x+alpha z)k is solenoidal is
A.1
B.4
C.5
D.7
Ans:D
20.For a system in which the Lagrangian is not an
explicit function of time,the Hamiltonian is
A.Constant
B.Infinity
C.Zero
D.None of these
Ans:A
21.For a system of two coupled oscillators,the total
number of normal modes is
A.1
B.2
C.3
D.4
Ans:B
22.In the short wavelength limit,the schrodinger
equation reduces to
A.Lagrange’s equation
B.Euler-Lagrange equation
C.Hamilton’s equations
D.Hamilton-Jocobi equation
Ans:D
23.What is the dimension of the fractal-Cantor set?
A.0.52
B.0.63
C.0.74
D.0.85
Ans:B
24.If [F,H] represents the Poisson bracket between
an arbitrary function F and the Hamiltonian of a system H,the equation of
motion will be
A.’(df)/(dt)’=[F,H]
B.’(dF)/(dt)’=[H,F]
C.’(dF)/(dt)=(delF)/(delt)+[F,H]’
D.’(dF)/(dt)=(delF)/(delt)+[H,F]’
Ans:C
25.The maximum number of rotational degrees of
freedom possible for a rigid body is
A.1
B.2
C.6
D.3
Ans:D
26.If ‘a_(0)’ donates the Bohr radius,the most
probable distance of the electron from the nucleus in a Hydrogen atom in its
ground state is
A.’(a_(0))/(2)’
B.’a_(0)’
C.’2a_(0)’
D.’(3a_(0))/(2)’
Ans:B
27.The normalized wave functions ‘psi_(1)’ and
‘Psi_(2)’ correspond to the ground state and the first excited state of a
particle in a potential.An operator A acts on the wave functions as A psi_(1)=Psi_(2)’
and A’Psi_(2)’=’Psi_(1)’.The expectation value of A for the state
‘psi’=’(3psi_(1)+4psi_(2))/(6)’is
A.0.67
B.0.33
C.0.44
D.0.82
Ans:A
28.The value of the commutator’[x^(4)’,’p_(x)]’is
A.ih
B.(ih) raise to 4
C.4ihx raise to 4
D.4 I h x raise to 3
Ans:D
29.Application of time independent perturbations to
linear stark effect of hydrogen atom
A.Completely removes degeneracy of n=2 level and
splits it into four levels
B.Partially removesdegeneracy of n=2 levels and splits it into three levels
C.Partially removes degeneracy of n=2 level and
splits it into two levels
D.Does not remove degeneracy to any extent
Ans:B
30.The wave function of a particle is given by ‘Psi=(1)/(sqrt(2))phi_(0)’,where
‘phi_(0)’ is the normalized eigen function with energy ‘E_(0)’.The expectation
value of the Hamiltonian in the state ‘psi’is
A.’E_(0)’
B.’(E_(0))/(sqrt(2))’
C.’(E_(0))/(2)’
D.’sqrt(2)E_(0)’
Ans:C
31.For a one dimensional potential well specified by
V(x)=0 for –a<x<a and V(x)=’00’ for |x|>a,the zero point energy is
A.Some value greater than zero
B.Some value less than zero
C.Equal to zero
D.1/2 hw
Ans:A
32.The total spin angular momentum S of a system of
three electrons is
A.’(1)/(2)’
B.0 and 1
C.1
D.’(1)/(2) and (3)/(2)’
Ans:D
33.The phase shifts measured for the elastic
scattering of 50 MeV neutrons from a nucleus are ‘delta_(0)=90^(@)’;’delta_(1)=60^(@’.The
total cross section is
A.’(13pi)/(k^(2))’
B.’(4pi)/(k^2))’
C.’(pi)/(k^((2))’
D.’(7pi)/(k^(2))’
Ans:A
34.For a Hermitian operator,the eigen values are
A.Zeros
B.Real
C.Complex
D.Imaginary
Ans:B
35.The eigen functions of angular momentum operator
are
A.Bessel function
B.Gamma function
C.Hermite polynomials
D.Spherical harmonics
Ans:D
36.A charged particle is moving in a helical path
under the influence of a constant magnetic field.The initial velocity of the
particle is such that the component along the magnetic field is twice the
component in the plane normal to the magnetic field.What will be the ratio of
the pitch to the radius of the helical path?
A.’pi’/2
B.’pi’
C.2’pi’
D.4’pi’
Ans:D
37.A square wire loop carries a steady current I.Let
R be the shortest distance from the centre to the side.What will be the
magnetic field at the centre of the square loop?
A.’(mu_(0)I)/(piR)’
B.’(mu_(0)I)/(6piR)’
C.’(sqrt(2)mu_(0)I)/(piR)’
D.’(mu_(0)I)/(sqrt(2)piR)’
Ans:C
38.The magnetic field at a distance R from a
straight wire carrying a steady current I is proportional to
A.I/R
B.IR
C.I/’R^(2)’
D.’I^(2)’/R
Ans:A
39.Which of the following thermodynamic relation is
correct?
A.du=T dS+P dV
B.du=T dS-P dV
C.du=T dS+G dP
D.dU=T dS-G dP
Ans:B
40.Which mode of electromagnetic radiation cannot
propagate through a rectangular waveguide?
A.TE
B.TM
TEM
D.All the above
Ans:C
41.Which is the least symmetric crystal system?
A.Cubic
B.Triclinic
C.Orthorhombic
D.Monoclinic
Ans:B
42.The amount of split in an energy level in the
case of anomalous Zeeman effect due a magnetic field B,from non field
level(where’mu_(B)’is the Bohr magnetron,’m_(j)’is the magnetic total angular
momentum quantum number and g is the Lande g factor) is given by
A.’(gm_(j))/(mu_(B))B’
B.’(gmu_(B))/(m_(j))B’
C.g’mu_(B)m_(j)B’
D.’(m_(j)mu_(B))/(g)B’
Ans:C
43.The substances,which are expected to show
electron spin resonance spectroscopy,are
A.Paramagnetic
B.Diamagnetic
C.Ferromagnetic
D.Noneof
these
Ans:A
44.The selection rule governing the transition
between different energy levels in pure rotational Raman spectra,in terms of
rotational quantum number J,is
A.Delta J=0 or ‘+-1’ only
B.Delta J=’+-1’ only
C.Delta J= 0 or ‘+-2’ only
D.Delta J=’+-2’ only
Ans:C
45.A radio wave has electric field intensity ‘10^(-4)’V’m^(-1)’
at the location of a receiving antenna.What will be the magnetic flux density?
A.Zero
B.3.3 ‘xx10^(-4)’T
C.1.1 ‘xx10^(-9)’T
D.3.3 ‘xx10^(-13)’T
Ans:D
46.The cut off frequency of T’E_(10)’ dominant mode of an air filled
rectangular wave guide of dimension x=8 cm and y=4 cm is 1875 MHz.What will be
the cut off frequency of the T’E_(10)’ dominant mode for another wave guide of
dimension x=8 cm and y=6 cm?
A.1875 MHz
B.1945 MHz
C.707 MHz
D.1947 MHz
Ans:A
47.The ratio of the electric field vector E and
magnetic field vector H has the dimension of
A.Current
B.Resistance
C.Inductance
D.Capacitance
Ans:B
48.For the reverse leakage current of a BJT in CB(‘I_(CBO)’)
and CE(‘I_(CEO)’)configuration,which among the following statements is true?
A.’I_(CBO)’>’I_(CEO)’
B.’I_(CBO)’=’I_(CEO)’
C.’I_(CBO)’<’I_(CEO)’
D.None of these
Ans:C
49.With a 1 MHz clock frequency,eight bits can be
parallel entered into a shift register in
A.8 ‘mus’
B.Propagation delay time of eight flip flops
C.Propagation delay time of one flip flop
D.1’mus’
Ans:C
50.For an ideal OPAMP integrator circuit,the peak
value of output voltage
A.Is independent of frequency of the signal
B.Decreases with frequency of the signal
C.Increases with frequency of the signal
D.Decreases with amplitude of the signal
Ans:B
51.In a 4 bit R-2R ladder digital to analog
converter,R=10kOhm and ‘V_(ref)’is 10V.The current resolution of the converter
is
A.10.5 ‘muA’
B.50.25 ‘muA’
C.62.5’muA’
D.6.25’ muA’
Ans:C
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?
A.Volume term
B.Surface term
C.Pairing term
D.Asymmetry term
Ans:D
53.The strangeness quantum number S,in the Quark
Model for up(u) and down(d) quarks are
A.zero for both u and d
B.+1 for both u and d
C.-1 for both u and d
D.-1 for u and +1 for d
Ans:A
54.The relation between the Einstein coefficients’A_(21)’and
‘B_(21)’ is
A.’(A_(21))/(B_(21))’=1
B.’(A_(21))/(B_(21))’=’(1)/(2)’
C.’(A_(21))/(B_(21))’=’(8pihv^(2))/(c^(2))’
D.’(A_(21))/(B_(21))’=’(8pihv^(3))/(c^(3))’
Ans:D
55.In a cannonical ensemble,the elements differ in
their
A.Volume
B.Energy
C.Temperature
D.Number of particles
Ans:B
56.The Halmholtz free energy F,absolute temperature
T and partition function Z of a canonical ensemble are related as
A.F=-kT in Z
B.F=kT in Z
C.F=-kTZ
D.F=kTZ
Ans:A
57.The mass defect per nucleon is called
A.Packing fraction
B.Quadrupole moment
C.Angular momentum
D.Binding energy
Ans:A
58.In how many directions,the electrons in a quantum
dot are confined?
A.1
B.2
C.3
D.4
Ans:C
59.The energy versus wave vector graph of an
electron in free space is a
A.Straight line
B.Parabola
C.Hyperbola
D.Circle
Ans:A
60.The bandgap energy of Gas is about
A.0.42 eV
B.1.42 eV
C.0.42 keV
D.1.42 keV
Ans:B
61.The light emission mechanism in LED is
A.Electroluminescence
B.Photoluminescence
C.Chemiluminescence
D.Thermoluminescence
Ans:A
62.In a first order phase transition,which among the
following statements is true?
A.Volume is continuous at the boundary
B.Entropy is continuous at the boundary
C.Entropy is discontinuos at the boundary
D.A latent heat is not involved
Ans:C
63.The chemical potential of a photon gas is
A.Infinity
B.Finite
C.imaginary
D.Zero
Ans:D
64.When a particle of rest mass m attains the
velocity of light,its mass becomes
A.Zero
B.M
C.Infinity
D.2m
Ans:C
65.For a conservative system,the slop of the
potential energy versus position curve gives
A.Kinetic energy
B.Force
C.Power
D.Momentum
Ans:B
66.Are two simultaneous events,happening at the same
point,simultaneous in all inertial frames?
A.Yes
B.No
C.Depends on the velocity of the frames
D.None of these
Ans:A
67.The critical field of a superconductor at the
critical temperature is
A.Infinity
B.Zero
C.Finite
D.Depends on the superconductor
Ans:B
68.In a C60 fullerence molecule,how many pentagonal
sides exist?
A.24
B.6
C.20
D.12
Ans:D
69.The open circuit voltage of a solar cell
A.Increases with temperature first and then
decreases
B.Decreases with temperature first and then increase
C.Decreases with temperature
D.Increases with temperature
Ans:C
70.The bandwidth of an amplifier is the range of
frequencies at the limits ofwhich its
voltage gain falls by__________ from the maximum gain.
A.1 dB
B.3 dB
C.9 dB
D.70 dB
Ans:B
71.Which transistor configuration is commonly used
for impedance matching?
A.Common emitter
B.Common base
C.Common collector
D.Common mode
Ans:C
72.What is the hybridization in graphene?
A.sp
B.sp2
C.sp3
D.sp4
Ans:B
73.What happens to the X-ray diffraction peaks from
a polycrystalline solid,when its crystalline size decreases?
A.Become broad
B.Become narrow
C.No effect
D.Disappears
Ans:A
74.The fundamental effect that is used in the
conversion of solar energy to heat energy is
A.Photovoltaic effect
B.Faraday effect
C.Joule-Kelvin effect
D.Green house effect
Ans:D
75.In biomass,the solar energy is stored in the form
of
A.Electrical energy
B.Heat energy
C.Chemical energy
D.Mechanical energy
Ans:C
76.The dimensional of the phase space of a particle
moving in a plane is
A.4
B.1
C.2
D.0
Ans:A
77.Which among the following is an elementary
particle?
A.Neutron
B.Kaon
C.Electron
D.Sigma
Ans:C
78.The sodium D lines arise due to the transitions
A.From P state to S state
B.From F state to S state
C.From F state to D state
D.From D state to S state
Ans:A
79.The departure of relative permeability from unity
is called
A.Magnetic field strength
B.Magnetic susceptibility
C.Magnetic flux density
D.Magnetizing field intensity
Ans:B
80.If the Hall co-efficient of a specimen is
positive,the current conduction in the specimen is dominated by
A.Electrons
B.Phonons
C.Photons
D.Holes
Ans:D
81.The tools used to represent
thoughts,ideas,knowledge and concepts are
A.Rubrics
B.Feedback tools
C.Renew and reflection tools
D.Graphic organizers
Ans:C
82.Which of the following is not a basic purpose of
lecture method?
A.To motivate
B.To explore
C.To renew
D.To expand
Ans:B
83.Validity of a test means
A.Purposiveness
B.Objectiveness
C.Regularity
D.Consistency
Ans:A
84.The criterion which is least important while
planning a learning experience?
A.Expertise of the teacher
B.Extent of realisation of objectives
C.Mental level of the learner
D.Practicability of the experience
Ans:A
85.Which of the following process skill uses a test under
controlled conditions?
A.Experimenting
B.Hypothesizing
C.Inferring
D.Measuring
Ans:A
86.Which of the following assessment technique is
most appropriate for assessing creative thinking in students?
A.Reasoning questions
B.Open ended questions
C.Logical questions
D.Hypothesising
Ans:B
87.The process of maintaining a gradation by which
specific items are gradually presented one by one in the hierarchical order is
A.Progressive differentiation
B.Narration
C.Integrative Reconcillation
D.Exposition
Ans:A
88.Which is not considered as a self-reporting
technique?
A.Questionnaire
B.Autobiography
C.Interview
D.Performance test
Ans:D
89.”A teacher should plough the sort before souring
the seed”.This statement indicates
A.Preparing the technical support in advance
B.Planning innovative strategies for teaching
C.Developing a rapport with the students
D.Instilling an intrinsic motivation in students to
learn
Ans:D
90.Skipping is an approach used to cater the needs
of
A.Average learners
B.Differentially abled
C.Gifted
D.Slow learners
Ans:C
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?
A.B.R.Ambedkar
B.Jawaharlal Nehru
C.K.T.Shah
D.N.Madhava Rao
Ans:C
92.’Contempt of court’place restriction on:
A.Right to equality
B.Right to freedom
C.Right to cultural and educational Rights
D.None of these
Ans:B
93.Which commission recommended the abolition of the
IAS and IPS?
A.Shah Commission
B.Sarkaria Commission
C.Venkata Chalaiah Commission
D.Rajamannar Commission
Ans:D
94.The schem Antyodaya Anna Yojana(AAY)was launched
by the government on:
A.26 January 1999
B.25 December 2000
C.31 May 2000
D.24 October 2005
Ans:B
95.The authorization for withdraw of funds from the
consolidated fund of India must come from
A.The Parliament of India
B.The President of India
C.The Prime Minister of India
D.The Union Minister
Ans:A
96.The system of ‘Privacy Purses’in respect of former
rules of Indian states before independence was abolished by the constitution
through:
A.’1^(st)’Amendment Act,1951
B.’26^(th)’Amendment Act,1971
C.’38^(th)’Amendment Act,1975
D.’52^(nd)’Amendment Act,1985
Ans:B
97.The Environmental(Protection)Act was enacted in
the year
A.1972
B.1984
C.1986
D.1992
Ans:C
98.The Emergency Powers of President was taken from
which Constitution?
A.Constitution of South Africa
B.Constitution of Germany
C.Constitution of Australia
D.Constitution of Canada
Ans:B
99.What is the time limit to get the information
concerning life and liberty of a person under RTI Act?
A.30 days
B.3 days
C.24 hours
D.48 hours
Ans:D
100.Members of the Rajya Sabha are not associated
with
A.Public Account Committee
B.Committee on Public Undertakings
C.Estimate Committee
D.All the above
Ans:C
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