Download AppGovt. JobsFree G.K. & Current AffairsScholarshipBlog
Free PracticeContact
📚 Exam by Category
▾
Question Bank

Question for TN SET Physical Science - Quiz / Questions / MCQ in English

Last Update on : October 11, 2026

Duration: 120 · Questions: 100 · Max Marks: 200

View TN SET Physical Science 2026 Exam Page

To boost your performance in TN SET Physical Science exam, practice each question regularly and with focus. Every question tests your subject understanding, so solve them one at a time. Taking a quiz improves your speed and accuracy. Practicing topic-wise MCQs. Students benefit greatly from reviewing questions with answer keys, which help clarify concepts and strengthen Questions knowledge for success in TN SET Physical Science exams.

Latest TN SET Physical Science Exam Question (Objective Questions), MCQ in English

Subjects : Physical Science

Question Bank TN SET Physical Science Exam - English

Physical Science

Q 1 :
Find the missing letter
A    B    C    D
F     I     L    O
K    P    U    Z
P   W    D    ?
  1. A.P
  2. B.K
  3. C.J
  4. D.L
Q 2 :
Consider a right-angled triangle ABC where  AB = AC = 3. A rectangle APOQ is drawn inside it, as shown, such that the height of the rectangle is twice its width. The rec tangle is moved horizontally by a distance 0.2 as shown schematically in the diagram (not to scale).

What is the value of the ratio 
  1. A.625
  2. B.400
  3. C.225
  4. D.125
Q 3 :
80 gsm paper is cut into sheets of 200 mm × 300 mm size and assembled in packets of 500 sheets. What will be the weight of a packet? (gsm = g/m2)
  1. A.1.2 kg
  2. B.2.4 kg
  3. C.3.6 kg
  4. D.4.8 kg
Q 4 :
Three indentical flat equilateral-triangular plates of side 5 cm each are placed together such that they form a trapezium. The length of the longer of the two parallel sides of this trapezium is
  1. C.10 CM
Q 5 :
An archer climbs to the top of a 10 m high building and aims at a bird atop a tree 17 m away. The line of sight from the archer to the bird makes an angle of 45° to the horizontal. What is the height of the tree?
  1. A.17 m
  2. B.27 m
  3. C.37 m
  4. D.47 m
Q 6 :
Consider the set of numbers {171, 172, ..., 17300}. How many of these numbers end with the digit 3 ?
  1. A.60
  2. B.75
  3. C.100
  4. D.150
Q 7 :
Find the missing number in the triangle.
  1. A.16
  2. B.96
  3. C.50
  4. D.80
Q 8 :
The time gap between the two instants, one before and one after 12.00 noon, when the angle between the hour hand and the minute hand is 66°, is
  1. A.12 minute
  2. B.16 minute
  3. C.18 minute
  4. D.24 minute
Q 9 :
A merchant buys equal number of shirts and trousers and pays Rs. 38000. If the cost of 3 shirts is Rs. 800 and that of a trouser is Rs. 1000, then how many shirts were bought?
  1. A.60
  2. B.30
  3. C.15
  4. D.10
Q 10 :
In the growing year of child m the  height increases as the squareroot of the age while the weight increasesin the direct proportion to the age. The ratio of the weight ti the square of the height in this pharse of growth
  1. A.is constant
  2. B.reduct with age
  3. C.increase with age
  4. D.is constant only if the weight and height at birth are both zero
Q 11 :
In 450 g of pure coffee powder 50 g of chicory is added. A person buys 100 g of this mixture and adds 5 g of chicory to that. What would be the rounded-off percentage of chicory in this final mixture?
  1. A.10
  2. B.5
  3. C.14
  4. D.15
Q 12 :
Suppose in a box there are 20 red, 30 black, 40 blue and 50 white balls. What is the minimum number of balls to be drawn, without replacement, so that you are certain about getting 4 red, 5 black. 6 blue and 7 white balls ?
  1. A.140
  2. B.97
  3. C.104
  4. D.124
Q 13 :
Suppose     
x D y = (x – y)2
x O y = (x + y)2
x * y = (x × y)–1
x · y = x × y
+, – and × have their usual meanings. What is the value of {(197 o 315) – (197  315)} • (197 * 315)?
  1. A.118
  2. B.512
  3. C.2
  4. D.4
Q 14 :
Students in group A obtained the following marks : 40, 80, 70, 50, 60, 90, 30. Students in group B obtained 40, 80, 35, 70, 85, 45, 50, 75, 60 marks. Define dispersion (D) = (maximum marks – minimum marks), and relative dispersion (RD) = 
Then,
  1. A.RD of group A = RD of group B
  2. B.RD of group A > RD of group B
  3. C.RD of group A < RD of group B
  4. D.D of group A < D of group B
Q 15 :
The following diagram shows 2 perpendicularly inter-grown prismatic crystals (twins) of identical shape and size. What is the volume of the object shown (units are arbitrary)?
  1. A.60
  2. B.65
  3. C.72
  4. D.80
Q 16 :
If A × B = 24, B × C = 32, C × D = 48 then A  × D
  1. A.cannot be found
  2. B.is a perfect square
  3. C.is a perfect cube
  4. D.is odd
Q 17 :
Suppose n is a positive integer.  Then ( n2 + 1) (2n + 1)
  1. A.may not be divisible by 2
  2. B.is always divisible by 2 but may not be divisible by 3
  3. C.is always divisible by 3 but may not be divisible by 6
  4. D.is always divisible by 6
Q 18 :
There is a train of length 500 m, in which a man is standing at the rear end. At the instant, the rear end crosses a stationary observer on a platform, the man starts walking from the rear to the front and the front to the rear of the train at a constant speed of 3 km/hr. The speed of the train is 80 km/hr. The distance of the man from the observer at the end of 30 minutes is
  1. A.41.5 km
  2. B.40.5 km
  3. C.40.0 km
  4. D.41.0 km
Q 19 :
A rectangular area of sides 9 and 6 units is to be covered by square tiles of sides 1, 2 and 5 units. The minimum number of tiles needed for this is
  1. A.3
  2. B.11
  3. C.12
  4. D.15
Q 20 :
If all horses are donkeys, some donkeys are monkeys, and some monkeys are men, then which statement must be true?
  1. A.All donkeys are men
  2. B.Some donkeys may be men
  3. C.Some horses are men
  4. D.All horses are also monkeys
Q 21 :
One gram of salt is dissolved in water ttjat is filled to a height of 5 cm in a beaker of diameter 10 cm. The accuracy of length measurement is 0.01 cm while that of mass measurement is 0.01 mg. When measuring the concentration C, the fractional error  C/C is
  1. A.0.8%
  2. B.0.14%
  3. C.0.5%
  4. D.0.28%
Q 22 :
A system can have three energy levels : E = 0, ±. The level E = 0 is doubly degenerate, while the others are non-degenerate. The average energy at inverse temperature  is
  1. C.zero
Q 23 :
For a particular thermodynamic system the entropy S is related to the internal energy U and volume V by  S = c U3/4 V1/4
where c is a constant. The Gibbs potential  G = U – TS + pV  for this system is
  1. C.zero
Q 24 :
An op amp-based voltage follower
  1. A.is useful for converting a low impedance source into a high impedance source
  2. B.is useful for converting a high impedance source into a low impedance source
  3. C.has infinitely high closed loop output impedance
  4. D.has infinitely high closed loop gain
Q 25 :
A particle of mass m in three dimensions is in the potential 
Its ground state energy is
    Q 26 :
    Which of the graphs below gives the correct qualitative behaviour of the energy density ET(y) of blackbody radiation of wavelength  at two temperatures T1 and T2(T1 < T2)?
      Q 27 :
      Given that the uncertainty pr in the ground state
      of the hydrogen atom is
        Q 28 :
        An RC network produces a phase-shift of 30°. How many such RC networks should be cascaded together and connected to a Common Emitter amplifier so that the final circuit hebave1 as an oscillator?
        1. A.6
        2. B.12
        3. C.9
        4. D.3
        Q 29 :
        he free energy F of a system depends on a thermodynamic variable as F = –a2 + b6
        with a, b > 0. The value of , when the system is in thermodynamic equilibrium, is
        1. A.zero
        Q 30 :
        The inner shield of a triaxial conductor is driven by an (ideal) op-amp follower circuit as shown. The effective capacitance between the signal-carrying conductor and ground is
        1. A.unaffected
        2. B.doubled
        3. C.halved
        4. D.made zero
        Q 31 :
        Consider a system of two non-interacting identical fermions, each of mass m in an infinite square well potential of width a. (Take the potential inside the well to be zero and ignore spin). The composite wavefunction for the system with total energy
        is
          Q 32 :
          A particle of mass m in the potential  is in an eigenstate of energy . The corresponding unnormalized eigenfunction is
            Q 33 :
            A particle of mass m and coordinate q has the Lagrangian 
            where  is a constant. The Hamiltonian for the system is given by
              Q 34 :
              If and C is the circle of unit radius in the plane defined by z = 1, with the centre on the z-axis, then the value of the integral is
              1. D.0
              Q 35 :
              Given 
              for |t| < 1, the value of P5(–1) is
              1. A.0.26
              2. B.1
              3. C.0.5
              4. D.–1
              Q 36 :
              A charged particle is at a distance d from an infinite conducting plane maintained at zero potential. When releasedfrom rest, the particle reaches a speed u at a distance d/2 from the plane. At what distance from the plane will the particle reach the speed 2u ?
                Q 37 :
                Consider the matrixThe eigenvalues of M are
                1. A.–5, –2, 7
                2. B.–7, 0, 7
                3. C.–4i, 2i, 2i
                4. D.2, 3, 6
                Q 38 :
                Consider the differential equation  with the initial conditions x(0) = 0 and x(0) = 1. The solution x(t) attains its maximum value when t is
                1. B.1
                2. C.2
                Q 39 :
                A light source is switched on and off at a constant frequency f. An observer moving with a velocity u with respect to the light source will observe the frequency of the switching to be
                  Q 40 :
                  If C is the contour defined by | z | = , the value of the integral 0 is
                  1. C.0
                  Q 41 :
                  The time period of a simple pendulum under the influence of the acceleration due to gravity g is T. The bob is subjected to an additional acceleration of magnitude g in the horizontal direction. Assuming small oscillations, the mean position and time period of oscillation, respectively, of the bob will be
                  1. A.0° to the vertical and T
                  2. B.30° to the vertical and T/2
                  3. C.60° to the vertical and T/
                  4. D.0° to the vertical and T/
                  Q 42 :
                  Consider an electromagnetic wave at the interface between two homogeneous dielectric media of dielectric constants  and  Assuming >  and no charges on the surface, the electric field vector E' and the displacement vector D' in the two media satisfy the following inequalities
                    Q 43 :
                    If the electrostatic potential in spherical polar co-ordinates is where  and r0 are constants, then the charge density at a distance r = r0 will be
                      Q 44 :
                      A current ip flows through the primary coil of a transformer. The graph of ip (t) as a function of time t is shown in the figure below.
                        Q 45 :
                        A time-dependent current (where K is a constant) is switched on at t = 0 in an infinite current-carrying wire. The magnetic vector potential at a perpendicular distance a from the wire is given (for time t > a/c) by
                          Q 46 :
                          The pressure of a nonrelativistic free Fermi gas in three-dimensions depends, at T = 0, on the density of fermions n as
                          1. A.n5/3
                          2. B.n1/3
                          3. C.n2/3
                          4. D.n4/3
                          Q 47 :
                          A double slit interference experiment uses a laser emitting light of two adjacent frequencies v1 and v2(v1 < v2). The minimum path difference between the interfering beams for which the interference pattern disappears is
                            Q 48 :
                            The recently-discovered Higgs boson at the LHC experiment has a decay mode into a photon and a Z boson. If the rest masses of the Higgs and Z boson are 125 GeV/c2 and 90 GeV/c2 respectively, and the decaying Higgs particle is at rest, the energy of the photon will approximately be
                            1. A.35GeV
                            2. B.35 GeV
                            3. C.30 GeV
                            4. D.15 GeV
                            Q 49 :
                            A permanently deformed even-even nucleus with Jp = 2+ has rotational energy 93 keV. The energy of the next excited state is
                            1. A.372 keV
                            2. B.310 keV
                            3. C.273 keV
                            4. D.186 keV
                            Q 50 :
                            How much does the total angular momentum quantum number J change in the transition of Cr (3d6) atom as it ionizes to Cr2+ (3d4)?
                            1. A.Increases by 2
                            2. B.Decreases by 2
                            3. C.Decreases by 4
                            4. D.Does not change

                            Important Questions Package

                            TN SET Physical Science Exam Online Question Bank Package

                            Buy TN SET Physical Science Important Questions, MCQ, question answer in Hindi & English. It will help you to score high marks in TN SET Physical Science question bank 2026 in Online, PDF & Print study material.

                            + Free Monthly Current Affairs, GK & more PDF Download
                            Sr.Package NameAmount
                            1.TN SET Physical Science Exam - English
                            Description : 1000 Question with Answer.
                            		₹101 [₹500]
                            2.TN SET Physical Science Exam - English
                            Description : 1500 Question with Answer.
                            		₹131 [₹500]
                            3.TN SET Physical Science Exam - English
                            Description : <strong><span style="color:rgb(128, 0, 0)"><span style="font-size:16px"><span style="font-family:georgia,serif">1000 Question &amp; Answer Download in PDF (Send by Email)</span></span></span></strong>
                            		₹101 [₹450]
                            4.TN SET Physical Science Exam Question Bank Book - English
                            Description : <span style="color:#FF0000"><span style="font-family:georgia,serif"><strong><span style="font-size:16px">1000 Question with Answer (Printed Material)</span></strong></span></span>
                            		₹390 [₹600]
                            Question for TN SET Physical Science 2026 - Quiz / Questions / MCQ - Toppersexam