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FOR SLIET SET EXAM PREPARATION
SLIET SET 2025
Question Paper · M.Sc
Physics SET-VI
EXAM YEAR TYPE SUBJECT INCLUDES
SLIET SET 2025 Question Paper M.Sc Physics SET-VI Answer Key
Notes · Sample Papers · Previous Year Papers · Mock Tests
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PaperCode: 2008 Paper Name: 2008-M.Sc. (SET-VI) M.SC.(PHYSICS) Set Name: Original
Q-1 A particle is moving with S.H.M. in a straight line. If the distances of the particles from equilibrium position are x₁ and
x₂, and the corresponding velocities are u₁ and u₂, respectively, then the period t of S.H.M. is:
A B
m
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C
. c D
e m
e m l as
l as ag
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Q-2
m
c. o
A √8 b B √((8) a)
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C √(8a/) b D √8 b/a
l as Correct Answer : B
Q-3
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A B
e m
e m las
C
las D
ag
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Q-4 The expectation values ˂x˃ of the position of a particle trapped in a 1D box of length L, is
A L/3 B L/2
C L/6 D L/4
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c. o s e m
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Q-5
A X=L/2 B X =L/3
C X=L/6 D X = L/4 and 3L/4
Q-6 How does the probability of an electron tunnelling through a potential barrier vary with the thickness of the barrier?
A It decreases inversely with thickness B It decreases linearly with thickness
C It decreases exponentially with thickness D It is independent of the barrier thickness
Q-7 The full Schrödinger’s equation in compact form is
A B
C D
Q-8 A variable quantity which characterizes De-Broglie waves is known as……………….
A Photon B Field
C Wave function D Phonon
Q-9 When would the wavelength associated with an electron become equal to the wavelength associated with proton:
(Given: mass of electron=9.1095x10⁻²⁸g, mass of proton=1.6725x10⁻²⁴g)
A B
C D
Q-10 The electron can come out from the nucleus as:
A By Neutron converting into Proton B By Proton converting into Neutron
C Electron never comes out from the nucleus D Electron exist inside the nucleus
Q-11 The emitter- base junction of a bipolar transistor in active mode is
A Always reverse biased B Always forward biased
C Can be forward biased or reverse biased D Neither forward nor reverse biased
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a Q-12 Which one of the following parameters is also known as inverse hybrid parameter?
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A H-parameter B Y-parameter
C G-parameter D All of these
Q-13
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A
. c B
e m
e m l as
C
l as D
ag
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Q-14 The quantum mechanical operator for the momentum of a particle moving in one dimension is given by-
A B
m
C D
m .co
s e Correct Answer : B
l a
Q-15 For irreversible process,
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A B dS>dQ/T
C dS=dQ/T D None of the above
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Q-16 When is the output of a NOR gate high?
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A When all inputs are low B When at least one input is high
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When all inputs are high
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When at least one input is low
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C D
s e g Correct Answer : A
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a Q-17
A B
C D
m . c
c. o s e
Correct Answer : C m
s em
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SLIET SET
The order of magnitude of energy Gap of typical superconductor is 2025 Question Paper with Answer Key M.Sc Physics SET-VI
Q-18
A 1MeV B 1keV
C 1eV D 1meV
Q-19 What is the value of interplanar spacing of simple cubic crystal with lattice parameter a of (101) is
A a/√2 B 2a/√3
C a/√(3 ) D √3a/2
Q-20 Given the fermi energy of gold is 5.54eV, the number density of electron is
A 5.9* 10²⁸ m⁻³ B 6.7* 10²⁸ m⁻³
C 5.9* 10²⁴ m⁻³ D 6.7* 10²⁴ m⁻³
Q-21
A b=0, b<0 B b<0, b=0
C b=0, b>0 D b>0, b=0
Q-22
A 2.86* 10⁻¹³cm B 5.2* 10⁻¹³cm
C 3.6* 10⁻¹³cm D 8.6* 10⁻¹³cm
Q-23
A (5/2)⁺ B (7/2)⁺
C (5/2)⁻ D (7/2)⁻
Q-24 Which of the following is fermion
A α – particle B ₄Be⁷ nucleus
C deuteron D hydrogen atom
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a Q-25 ag
The semi-empirical mass formula of binding energy of nucleus contains surface correction term. This term depends on
mass number A of nucleus as
A B
C D
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Q-26 A Carnot’s engine operating between the temperatures of 300 K and 500 K extracts 1200 J of heat from the source,
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c
then the maximum work done by engine is
. e m
A 240 J
e m B 520 J
l as
C 480 J
l as D 720 J
ag
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Q-27 An air conditioner maintains room temperature at 27℃ while the outside temperature is 47℃. The heat conducted
through walls of room from outside to inside due to temperature difference is 7000W. The minimum work done by
compressor of air conditioner per unit time is:
A 466.6 W B 360W
C 380.8W D 504.2W
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Q-28
l as
A Unity
ag B zero
C D ∞
Q-29 Fermi energy of given metal is 1.4eV . The fermi temperature of metal is:
A 1.6 ×10⁵ K B 1.6 ×10³ K
m
C 1.6 ×10⁶ K
m D 1.6 ×10⁴ K
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m .co s em Correct Answer : D
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Q-30 The order of absent spectra in diffraction grating is given by: a
a A (a+b)/a = n B a/b = n
C a+b = n D b/a = n
Q-31 Fresnel half period zone differs from each other by:
A π/2 B π/4
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c. o
C π D 2π
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s
s em
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Polarisation cannot occur in: SLIET SET 2025 Question Paper with Answer Key M.Sc Physics SET-VI
Q-32
A X-ray B radio waves
C sound wave D light wave
Q-33 The phenomenon of rotation of plane polarised light is called:
A Dichroism B refraction
C Double refraction D Optical cavity
Q-34
A B
C D
Q-35 Which is example of isobar:
A B
C D all of these
Q-36 Which of following is subatomic particles:
A Positron B Proton
C neutrino D all of these
Q-37 Sharing of electrons between neighbouring atoms results in
A Metallic bond B ionic bond
C Covalent bond D None of these
Q-38 The atomic bond in NaCl is
A Ionic B covalent
C metallic D Vander-waal
Q-39 Mixed ionic covalent bond found in:
A Semiconductor B heat insulator
C High strength material
D NotesNone
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a Q-40 The Fermi energy level for intrinsic semiconductors lies at (300K):
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A Top of the valence band B Below the conduction band
C Middle of the conduction and valence D None of these
bands
Q-41 Nuclear magneton is given by:
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A
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B
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C
l as D
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Q-42 A deuteron nucleus is:
A A hard bound state B A loosely bound state
C Not a bound state D None of these
m Correct Answer : B
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Q-43 Higher value of decay constant indicates
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A Slower decay B Faster decay
C Half-life period D None of these
Q-44 A double slit experiment is carried out in the air and then the water is replaced by air. The diameter of fringe will:
A Increases B Decreases
C Remains unchanged D Fringe pattern disappears
m
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Q-45 If N is the total number of rulings on the grating, n is the order of spectrum and λ is the wavelength of light used, then
las resolving power of grating is given by
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C
Nnλ
Nn
B
D
Nλ/n
Nλ
Q-46 Diffraction effects are more pronounced or easier to notice in the case of sound waves than in the case of light waves
because:
A Sound travels faster than light B Sound waves have a smaller wavelength
C Sound waves are of longer wavelength
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D Sound waves are longitudinal
. c
. c e
Correct Answer : C m
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Q-47 If the base current is 100 mA and the current gain is 20, SLIET SET 2025
the collector Question
current is Paper with Answer Key M.Sc Physics SET-VI
A 2A B 200 mA
C 2.33 A D 20 A
Q-48 In Fresnel diffraction, the incident wavefront is
A Hyperbolic B Spherical
C Linear D Elliptical
Q-49 If the diamond has a FCC Bravais lattice, then no. of atoms in a conventional cube is having:
A 36 atoms B 16 atoms
C 8 atoms D none of these
Q-50 Which of the following proves that light is having dual nature:
A Diffraction and Interference B Reflection and refraction
C Photoelectric and Compton effects D All of these
Q-51 A train overtakes two persons who are walking in the same direction in which the train is going, at the rate of 2 kmph
and 4 kmph and passes them completely in 9 and 10 seconds respectively. The length of the train is
A 40 m B 45 m
C 50 m D 55 m
Q-52
A ACB B ADB
C AEB D AFB
Q-53 Speed of a boat in still water is 9 km/hr. It goes 12 km down- stream and comes back to the starting point in three
hours. What is the speed of water in the stream?
A 3 km/hr B 3.5 km/hr
C 5 km/hr D 5.5 km/hr
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a Q-54 ag
A bucket containing water is tied to one end of a rope of length 2.5 m and rotated about the other end in a vertical
circle. What should be the minimum velocity of the bucket at the highest point, so that the water in the bucket will not
spill? (g = 10 m/s²)?
A 2.5 m/s B 4 m/s
C 5 m/s D 7 m/s
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Q-55 A, B, C, D, E, F and G are members of a family consisting of four adults and three children, two of whom, F and G are
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girls. A and D are brothers and A is a doctor. E is an engineer married to one of the brothers and has two children. B is
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married to D and G is their child. Who is C?
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A E’s daughter
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C G’s Brother
l as D A’s son
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Q-56
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m
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A 8 B 9
m s e
la
C 10 D 11
s e g
la
g a
a Q-57
m . c
c. o s e m
A 1
s em B 2
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C 3 DSLIET 4
SET 2025 Question Paper with Answer Key M.Sc Physics SET-VI
Q-58 In covering a distance of 30 km, A takes 2 hours more than B. If A doubles his speed, then he would take 1 hour less
than B. A's speed is:
A 5 km/h B 7 km/h
C 9 km/h D 10 km/h
Q-59 Which of the following parts of the sun is easily visible only during a total solar eclipse?
A Core B Photosphere
C Sunspots D Corona
Q-60 Sickle Cell Anemia is a
A Genetic Disorder B Virus Disease
C Bacterial Disease D None of these
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