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SLIET SET 2025 Question Paper with Answer Key M.Sc Physics SET-VI

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SLIET SET 2025 Question Paper with Answer Key M.Sc Physics SET-VI – Text

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Page 1

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

Page 2

.
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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
ag Correct Answer : D

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
ag Correct Answer : A

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

m . c
c. o s e m
s em
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Page 3

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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Page 4

.
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s e

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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

m
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A
. c B
e m
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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

m
When all inputs are high
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When at least one input is low

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C D

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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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Page 3 of 10

Page 5

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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Page 6

.
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s e

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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

m
Q-26 A Carnot’s engine operating between the temperatures of 300 K and 500 K extracts 1200 J of heat from the source,

om . co
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
ag Correct Answer : C

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

s e g la
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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

m . c
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C π D 2π

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s

s em
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Page 5 of 10

Page 7

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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Page 8

.
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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:

m
A

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B
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C

l as D
ag
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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
c. o

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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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agA
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
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Correct Answer : C m
m as
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Page 7 of 10

Page 9

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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Page 10

.
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s e

s em l a
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

m
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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

om .
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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ag Correct Answer : D

Q-56

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A 8 B 9

m s e
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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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Page 9 of 10

Page 11

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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Document Details

Board / OrgSLIET
ExamSLIET SET
TypeQuestion Paper
Pages11
Languageenglish
Updated09 Oct 2026

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