# SET Physical Science Question Answers

SET Physical Science Question Answers for competitive exams: This mock test having mcq question each also from Paper II, Paper III Syllabus, with four choices. On each click on answers system will tell you where the answers is correct or incorrect. You can view this SET Physical Science test question details at the end of the quiz.

## SET Physical Science Question Answers

State Level Eligibility Test is also know as SET  (State Eligibility TestPhysical Science questions answers are applicable for any kind of Higher Physical Science especially for Lecturer and PHD examination like UGC NET And CSIR NET. . You can practice as much as you can to gather knowledge of how to answers SET Physical Science critical type papers in short time and this can be a big factor for cracking LS/PHD level exam.

## SET/SLET Physical Science Paper II - Mock Test

Congratulations - you have completed SET/SLET Physical Science Paper II - Mock Test.You scored %%SCORE%% out of %%TOTAL%%.Your performance has been rated as %%RATING%%
 Question 1
If f (z) = 1/(1 —  cos z), then the singularity z=0 is of order
 A 0 B 1 C 2 D 3
 Question 2
If f(x) = x for 0 < x < 2, f(x) is expanded in Fourier series, then the constant term in the series is
 A 0 B 1 C 2 D 3
 Question 3
y”+ y = sin2x, then the particular integral of the solution is
 A sin2x /3 B cos2x /3 C 2 /3 sin2x D -1/ 3 sin2x
 Question 4
The distribution whose mean and variance are equal is
 A Binomial B normal C Poisson D uniform
 Question 5
If f(z) is expanded in Taylor series, then the region of convergence is
 A annular B circular C entire D upper half of z plane
 Question 6
If the solutions of a differential equation are nonintersecting, then the differential equation could be
 A exact B homogeneous C nonlinear D linear
 Question 7
A particle moving under the action of central force, the parameter which remain constant is
 A Potential energy B Total energy C Angular momentum D None of the above
 Question 8
Compound pendulum is a perfectly rigid body oscillating under the force of gravity about
 A Horizontal axis which does not pass through the center of gravity B Horizontal axis which passes through the center of gravity C Vertical axis passing through the center of gravity D None of the above
 Question 9
div B=0, imply that
 A Magnetic monopoles only occur B Magnetic dipoles only occur C Electric mono and dipole occur D None of the above
 Question 10
Wave packets represent particles having precise values of
 A Momentum and energy B Position and momentum C Time and energy D None of the above
 Question 11
In a quantum oscillator, there is a finite probability of finding the particle outside the
 A Parabolic potential barrier B Potential well C Potential hill D None of the above
 Question 12
A nibble consist of
 A Two bits B Four bits C Eight bits D Sixteen bits
 Question 13
The diffusion capacitance of a p-n junction is
 A Inversely proportional to life time of carriers B Directly proportional to life time of carriers C Independent of life time of carriers D None of the above
 Question 14
Relativistic kinetic energy is the sum of
 A Non relativistic kinetic energy and rest mass B Non relativistic kinetic energy and potential energy C Sum of the squares of non relativistic kinetic energy and potential energy D None of the above
 Question 15
An autonomous non conservative system is said to be dissipative, then the vibration is known as
 A Damped vibration B Un-damped vibration C Self oscillatory D None of the above
 Question 16
Lagrange’s equation of motion is described by
 A Second order differential equation B Energy consideration not by force C Hamilton’s principle of conservative system D All the above
 Question 17
In the relativistic generalisation of Newton’s laws
 A Fourth component of force and momentum must be introduced B Differentiation cannot be performed with respect to time C Both A and B are to be considered D None of the above
 Question 18
Time dependent Schrodinger wave equation is not relativistically invariant, since
 A It has first derivative in time B Second derivative in space coordinates C It is relativistically invariant D Both A and B
 Question 19
Heisenberg uncertainty principle may be applied to
 A Determine ground state of Hydrogen atom B Determine width of spectral line C Prove the non-existence of electrons in nucleus D All the above
 Question 20
The total energy or Hamiltonian of a poly-atomic molecule is given by
 A Translational energy B Vibrational energy C Rotational energy D Sum of the all the above energies
 Question 21
The Fermi energy level in a semiconductor changes with
 A n type doping B p type doping C concentration of doping D all the above
 Question 22
Ideal operational amplifier has i) High input impedence ii) High output impedence iii) Infinite loop gain
 A i) and ii) are correct, iii) is wrong B ii) and iii) are correct, i) is wrong C i) and iii) are correct, ii) is wrong D ii) is correct, i) and iii) are wrong
 Question 23
Choose the correct options from the following: i) Weighted resistor and R-2R ladder networks are D/A techniques ii) Dual slope and successive approximation are A/D techniques iii) Thermocouple and piezo-electric devices are passive transducers
 A i) and ii) are correct, iii) is wrong B ii) and iii) are correct, i) is wrong C iii) and i) are correct, ii) is wrong D i) , ii) , iii) are correct
 Question 24
Identify the order of invention of the following:
 A BJT, Diode, FET, Microprocessor B Diode, BJT, FET, Microprocessor C BJT, Diode, Microprocessor, FET D Diode, FET, BJT, Microprocessor
 Question 25
Assertion A: Ge, Si cannot be used to construct LEDs Reason R: Their Eg is small
 A A and R are true, and R is the correct explanation B A and R are true but R is not the correct explanation C A is true but R is false D A is false but R is true
 Question 26
SIM refers to
 A Select interrupt mask B Sorting interrupt mask C Set interrupt mask D None of the above
 Question 27
The storage cell in an S RAM is
 A A flip-flop B A capacitor C A fuse D A magnetic domain
 Question 28
The time taken for the data to appear at the data output of ROM chip after an address is applied at the address input lines is
 A Write time B Recycle time C Refresh time D Access time
 Question 29
Assertion A: The conducting walls of the wave guide confine the electromagnetic fields and thereby guide the electromagnetic wave Reason R: When the waves travel longitudinally down the guide, the plane waves are reflected from wall to wall
 A A is true but R is false B Both A and R are true C A is false but R is true D Both A and R are false
 Question 30
Luminescence is because of
 A Photons emitted while excited electrons drops down B Knocking out of electrons by photons C Photons stimulated by photons D All
 Question 31
The depth of penetration of EM wave in a conductor
 A Increases with increase in frequency of the wave B Decreases with increase in conductivity of the material C Increases with increase in permeability of the medium D Independent of all the above
 Question 32
Power radiated by an electric dipole is
 A Directly proportional to the square of the frequency B Inversely proportional to the square of the frequency C Directly proportional to the fourth power of the frequency D Inversely proportional to the third power of the frequency
 Question 33
Superposition of two circularly polarised lights having same frequency and amplitude but rotating in opposite directions give rise to
 A Circularly polarised light B Elliptically polarised light C Plane polarised light D Randomly polarized light
 Question 34
When plane polarised EM wave propagates between two parallel conducting plates I) Tangential component of the electric field must be zero at all points on the wall II) Tangential component of magnetic field must be zero at all points on the wall
 A I is wrong and II is correct B II is wrong and I is correct C Both I and II are wrong D Both I and II are correct
 Question 35
Choose the correct options from the following: I) Stationary charge produces electric field II) Moving charge produces magnetic field III) Change in electric field does not produce magnetic field
 A I) and II) are correct, III) is wrong B II) and III) are correct, I) is wrong C I) and III) are wrong and II) is correct D I), II), III) are correct
Once you are finished, click the button below. Any items you have not completed will be marked incorrect.
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## SET/SLET Physical Science Paper III - Mock Test

Congratulations - you have completed SET/SLET Physical Science Paper III - Mock Test.You scored %%SCORE%% out of %%TOTAL%%.Your performance has been rated as %%RATING%%
 Question 1
One dimensional wave equation in x, t admits a solution which is
 A Oscillating in t and x B Oscillating in x and exponential in t C Oscillating in t and exponential in x D Exponential in x and t
 Question 2
If at x = 0, 1, 2, 3 and y is estimated by Lagrangian interpolation, then Lagrangian function for x = 3 is
 A 1/2x(x-1)(x-2) B - (x - 1) (x - 2) (x - 3)/6 C x(x-1)(x-2)/6 D x(x-1)(x-2)(x-3)/6
 Question 3
If y1 = 2, y2 = 4, y3 = 5, the second order approximation at x = x2 (for h= ½) for dy/dx =
 A 12 B 9 C 3/4 D 3
 Question 4
If Aij is symmetric then the number of independent quantities are
 A n (n-1) B ¼ n (2n +1) C ½n (n-1) D ½n (n+ 1)
 Question 5
The change from non-ferromagnetic state to ferromagnetic state is associated with
 A Phase transition of the first kind B Phase transition of the second kind C No change in the symmetry of the lattice D No phase transition
 Question 6
The theory of co-operative phenomena, by including all interactions in three dimensional system is
 A very easy B very complicated C neither easy nor complicated D neither of the above three
 Question 7
A linear Ising chain of spins is not ferromagnetic because it can be easily broken. A single break of chain increases the energy by (where E is the energy of interaction between spins)
 A 2E B 4E C 6E D 8E
 Question 8
According to the Landau theory on diamagnetism, the diamagnetic contribution arises due to
 A spinning motion of electrons B orbital motion of electrons C collective ordering of spins of parallel electrons D none of the above
 Question 9
A photon in a definite spin state corresponds to a plane electromagnetic wave with
 A only right circularly polarized B only left circularly polarized C either right or left circularly polarized D zero momentum
 Question 10
Since photons obey BE statistics
 A they are distinguishable B they are indistinguishable C there can not be number of photons with same ‘k’(wave vector) and ‘e’ (polarization vector) D none of the above
 Question 11
Bose Einstein condensations of thermodynamic manifestations follows
 A Second order Phase transition B First order phase transition C Neither first order nor second order phase transition D None of the above
 Question 12
A very small particle immersed in liquid having Brownian motion exhibits a random type of motion due to
 A high applied pressure on the particle B medium applied pressure on the particle C variable applied pressure acting on the particle D natural thermal fluctuation of pressure on the particle
 Question 13
A random process or stochastic process is such that the variable ‘x’
 A depends on independent variable in well defined manner B does not depend in well defined manner on independent variable C the variable ‘x’ takes either zero or infinite value D none of the above
 Question 14
The ESR frequency of an unpaired electron in a magnetic field of 0.3T (given g = 2, ß = 11.274 x 10-24JT-1, h = 6.627 x 10-34Js) in multiple of 106 Hz is
 A 8397 B 2434 C 3126 D 4444
 Question 15
In NMR experiment, a given organic compound with two kinds of protons exhibit signals at 50 Hz and 200 Hz using 60 MHz spectrometer. The position of signal at 50 Hz and 200 Hz in δ-scale is
 A 0.88, 3.33 B 0.2, 1.2 C 0.1, 0.6 D 1.0, 4.0
 Question 16
The number of fundamental vibrational frequencies in the Infra-red absorption spectrum of H2O is
 A 3 B 4 C 5 D 6
 Question 17
The planar twisting mode of vibration of N2O4 is
 A Raman active B Raman inactive C Infrared active D Neither Raman active nor Infrared active
 Question 18
Which one of the following compounds absorb ultraviolet radiations?
 A Acetaldehyde B Cyclohexane C Ethanol D Heptane
 Question 19
In a solid the repulsive forces between atoms depends on
 A repulsion between positively charged Nuclei only B negatively charged electronic cloud of atoms only C it depends both on nuclei and also electronic cloud of atoms D it will not depend on positive charge of nuclei and also on negative charge of surrounding electronic cloud of atoms
 Question 20
The reciprocal lattice to BCC lattice is
 A BCC lattice B FCC lattice C SC lattice D it is not possible to find the reciprocal lattice of BCC
 Question 21
According to the KP model on band theory of solids, the atoms in the periodic lattice are positioned in the
 A middle of the valley B middle of the barrier C only at the end edges of the solids D at the boundary line between valley and the barrier
 Question 22
Calculate the frequency of AC current when a voltage of 1 x 10-6 v is applied across the two superconductors which are separated by a thin insulating layer where tunneling of electron pair is Possible
 A 286 MHz B 316 MHz C 483.6 MHz D 116 MHz
 Question 23
Defect structures are produced when the composition of an ionic crystal does not correspond to the stoichiometric formula. In case of FeO, the vacant cation sites are produced usually by heating it in
 A Zinc atmosphere B Oxygen atmosphere C Chlorine atmosphere D Carbon atmosphere
 Question 24
Tilt angle of a tilt boundary in BCC iron (a = 2.87 AU) with edge dislocations 7500 Å apart is
 A 5 Degree B 8° C 0.02° D 16°
 Question 25
Most of the liquid crystal cells used in LCD display are of the type
 A smetic B twisted nematic C cholestric D none of the above
 Question 26
The binding energy of a nucleon in a nucleus or mass defect per nucleon is
 A minimum for medium nuclei B maximum for medium nuclei C maximum for heavy nuclei D minimum for heavy nuclei
 Question 27
The liquid-drop model of nucleus to emphasize nuclear structure, possible oscillations are considered in an
 A incompressible liquid B compressible liquid C viscous liquid D none of the above
 Question 28
The function of a moderator in an atomic reactor is to
 A absorb gamma radiation B slow down fast neutrons C release heat energy D none of the above
 Question 29
Nuclides which possess same mass number are known as
 A isotopes B isobars C isotones D none of the above
 Question 30
The concept of Dirac-Hole predicted the existence of
 A positron B pair production C electrons possessing negative energy states D all the above
 Question 31
Heavy hydrogen when bombarded with neutrons artificial hydrogen and tritium are formed. Tritium is composed of
 A Proton and three neutrons B Proton and two neutrons C Proton and one neutron D None of the above
 Question 32
All quarks possess same spin and baryon charge, but differ in
 A strangeness B hypercharge C all quantum numbers of elementary particles D all the above
 Question 33
Anti quarks do not form any part of
 A mesons B baryons C leptons D hadrons
 Question 34
Anti baryons consist of
 A three quarks B four quarks C two quarks D no quarks
 Question 35
Spin Orbit interaction is more predominant in
 A Heavy elements B Medium elements C Light elements D Heavy and light elements
 Question 36
The superposition of infinite number of spherical waves gives a plane wave, the individual waves are known as
 A partial wave B wave front C cylindrical wave D none of the above
 Question 37
Relativistic wave equation provide
 A relativistic Hamiltonian B first order equation for both space and time C both the above D none of the above
 Question 38
Klein-Gordon equation is applicable for particles with
 A zero spin B spin 1/2 C spin 3/2 D spin 1
 Question 39
A relativistic wave equation which provides a positive definite probability density, is given by
 A Dirac equation B Klein-Gordon equation C Noether’s theorem D None of the above
 Question 40
The wave function derived from the Dirac relativistic equation, which do not transform as four vectors are known as
 A Dirac’s spinors B Fermions C Bosons D None of the above
 Question 41
Nuclear magnetic resonance depends on
 A orientation of nuclear moment relative to small static applied magnetic field B orientation of the electron magnetic moment C orientation of nuclear moment relative to large static applied magnetic field D none of the above
 Question 42
Threshold population inversion required for oscillations of laser i. is proportional to the spontaneous life time of the upper level ii. inversely proportional to passive cavity life time iii. proportional to passive cavity life time iv. is inversely proportional to spontaneous lifetime of the upper level
 A i and ii are correct B i and iii are correct C ii and iv are correct D iii and iv are correct
 Question 43
Assertion (A): Even in the absence of collisions and of thermal motions, line broadening takes place. Reason (R): Because of the finite life time of excited state due to spontaneous emissions.
 A A and R are true, and R is the correct explanation B A and R are true but R is not the correct explanation C A is true but R is false D A is false but R is true
 Question 44
Match the following:
 I. Doppler broadening 1. Homogeneous II. Four level system 2. Ruby laser III. Collision broadening 3. Inhomogeneous IV. Three level system 4. He-Ne laser

 I II III IV (A) 2 4 1 3 (B) 3 1 4 2 (C) 3 4 1 2 (D) 1 2 3 4

 A (A) B (B) C (C) D (D)
 Question 45
At thermal equilibrium of temperature T, for ɷ <<KBT/ħ
 A Number of stimulated emissions exceeds the number of spontaneous emissions B Number of spontaneous emissions exceeds the number of stimulated emissions C Number of spontaneous emissions are equal to the number of stimulated emissions D Emissions does not take place
 Question 46
Q switching of laser can be done by I. Mechanical switching II. Faster electronic switching III. Using saturable absorbers IV. all the above
 A I and III are correct B II and III are correct C I, II and III are correct D I and II are correct
 Question 47
The temperature of a furnace is increasing at a rate of 0.2°C/Sec. The maximum possible time constant required for a first order instrument so that the temperature is measured with maximum error of 2°C.
 A 4 Sec B 0.4 Sec C 0.1 Sec D 10 Sec
 Question 48
The steady State error for unit Ramp input in the case of instruments following First Order Response is equal to
 A Natural Frequency B Damping Ratio C Time Constant D Settling Time
 Question 49
Dummy Strain Gauges are used for
 A Compensation for Temperature changes B Increasing the sensitivity of the bridge in which they are used C Calibration of Strain Gauges D None of the above
 Question 50
In the Bath Tub Curve representing the failure rate of components/Instruments, the Region I of the curve corresponds to
 A Constant Failure Region B Infant Mortality Region C Wear Out Region D None of the above
 Question 51
Which of the following circuits are used in signal conditioning? I. Filters II. Attenuators III. Amplifiers
 A I & II only B II & III only C All D None
 Question 52
Match the following:
 I. Chi-Square Test 1. Loading Effects II. Standard Deviation 2. Recovery of signal from noise III. Impedance Matching 3. Analysis of Random Errors IV. Lock-in Detector 4. Feedback 5. Goodness of Fit

 I II III IV (A) 5 3 1 2 (B) 3 4 5 1 (C) 2 1 3 4 (D) 1 2 5 4

 A (A) B (B) C (C) D (D)
 Question 53
The number of terms in semi-emperical mass formula is
 A 6 B 7 C 8 D 9
 Question 54
In a nuclear reaction p+12C→d+11C, by proton with a laboratory energy of 10MeV incident on to stationary 12C nucleus, the equivalent centre of energy of proton is
 A 9.23 MeV B 10.00 MeV C 11.52 MeV D 8.46 MeV
 Question 55
Nuclear forces have the following characteristics: I. Nuclear forces are saturated II. Nuclear forces are spin independent III. Nuclear forces are charge independent IV. Nuclear forces are non central forces
 A I, III and IV are correct B II and III are correct C I, II and III are correct D I and II are correct
 Question 56
Physical quantities that are conserved in a nuclear reaction are I. Energy II. Charge III. Spin IV. Hyper charge
 A I, III and IV are correct B I, II and III are correct C I, II and IV are correct D I and IV are correct
 Question 57
Assertion (A): Electrons reside inside the nucleus. Reason (R): Nuclei emit electrons in beta decay.
 A A and R are true, and R is the correct explanation B A and R are true but R is not the correct explanation C A is true but R is false D A is false but R is true
 Question 58
Assertion (A): Nuclear force is very attractive. Reason(R): Stable nuclei exist in nature.
 A A and R are true, and R is the correct explanation B A and R are true but R is not the correct explanation C A is true but R is false D A is false but R is true
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