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Objective Questions

Latest JKPSC Assistant Professor Physics Exam Question (Objective Questions), MCQ in English

Subjects : Concerned Subject (Physics)

Question Bank JKPSC Assistant Professor (Physics) Exam - English
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Concerned Subject (Physics)

Question 1Single Answer
Temperature can be expressed as derived quantity in terms of
  1. A
    length and mass
  2. B
    mass and time
  3. C
    length, mass and time
  4. D
    None of these
Question 2Single Answer
Electron volt is a unit of
  1. A
    potential difference
  2. B
    charge
  3. C
    energy
  4. D
    capacity
Question 3Single Answer
Dimensions of impulse are
  1. A
    [MLT –1]
  2. B
    [MLT²]
  3. C
    [MT–2]
  4. D
    [ML–1T–3]
Question 4Single Answer
Potential is measured in
  1. A
    joule/coulomb
  2. B
    watt/coulomb
  3. C
    newton–second
  4. D
    None of these
Question 5Single Answer
One Nanometer is equal to
  1. A
    10–9m
  2. B
    10–6m
  3. C
    10–10m
  4. D
    10–3m
Question 6Single Answer
Maxwell is the unit of
  1. A
    magnetic susceptibility
  2. B
    intensity of Magnetisation
  3. C
    magnetic Flux
  4. D
    magnetic Permeability
Question 7Single Answer
Which of the following is derived physical quantity ?
  1. A
    Mass
  2. B
    Velocity
  3. C
    Length
  4. D
    Time
Question 8Single Answer
What are the units of magnetic permeability ?
  1. A
    Wb A–1 m–1
  2. B
    Wb–1 Am
  3. C
    Wb A m–1
  4. D
    Wb A–1 m
Question 9Single Answer
The dimensions of pressure gradient are
  1. A
    [ML–2 T–2]
  2. B
    [ML–2 T–1]
  3. C
    [ML–1 T–1]
  4. D
    [ML–1 T–2]
Question 10Single Answer
The dimensions of Rydberg's constant are
  1. A
    [M0L–1T]
  2. B
    [MLT–1]
  3. C
    [M0 L–1T0]
  4. D
    [ML0 T2]
Question 11Single Answer
'Farad' is the unit of
  1. A
    resistance
  2. B
    conductance
  3. C
    capacitance
  4. D
    inductance
Question 12Single Answer
S.I. unit of surface tension is
  1. A
    degree/cm
  2. B
    N/m
  3. C
    N/m²
  4. D
    Nm
Question 13Single Answer
Which one of the following pairs does not have the same dimension ?
  1. A
    Potential energy and Kinetic energy
  2. B
    Density and specific gravity
  3. C
    Focal length and height
  4. D
    Gravitational force and frictional force
Question 14Single Answer
Which one of the following physical quantity has the same unit as that of pressure ?
  1. A
    Angular momentum
  2. B
    Stress
  3. C
    Strain
  4. D
    Work
Question 15Single Answer
The symbol of SI unit of inductance is H. It stands for
  1. A
    Holm
  2. B
    Halogen
  3. C
    Henry
  4. D
    Hertz
Question 16Single Answer
Light year is a measure of
  1. A
    time
  2. B
    distance
  3. C
    total amount of light falling on the Earth in a year
  4. D
    average intensity of light falling on the Earth in a year
Question 17Single Answer
Which one of the following is not a dimension less quantity ?
  1. A
    Strain
  2. B
    Relative density
  3. C
    Frequency
  4. D
    Angle
Question 18Single Answer
The dimensions of universal gas constant are
  1. A
    [L² M¹ T–2 K–1]
  2. B
    [L¹ M² T–2 K–1]
  3. C
    [L¹ M¹ T–2 K–1]
  4. D
    [L² M² T–2 K–1]
Question 19Single Answer
The dimensions of magnetic moment are
  1. A
    [L²A¹]
  2. B
    [L²A–1]
  3. C
    [L²/A³]
  4. D
    [LA²]
Question 20Single Answer
The dimensions of Wien's constant are
  1. A
    [ML0TK]
  2. B
    [M0LT0K]
  3. C
    [M0L0TK]
  4. D
    [MLTK]
Question 21Single Answer
The dimensional formula of wave number is
  1. A
    [M0L0T–1]
  2. B
    [M0L–1T0]
  3. C
    [M–1 L–1 T0]
  4. D
    [M0 L0 T0]
Question 22Single Answer
The dimensional of Hubble ‘s wave number is
  1. A
    [T–1]
  2. B
    [M0L0T–2]
  3. C
    [MLT4]
  4. D
    [MT–1]
Question 23Single Answer
The dimensions of solar constant is
  1. A
    [M0L0T0]
  2. B
    [MLT–2]
  3. C
    [ML²T–2]
  4. D
    MT–3
Question 24Single Answer
The dimensional formula for entropy is
  1. A
    [MLT–2K¹]
  2. B
    [ML2 T-2]
  3. C
    [ML²T–2K–1]
  4. D
    [ML²T–2K]
Question 25Single Answer
Dimension of specific heat are
  1. A
    [ML² T–2 K]
  2. B
    [ML² T–2 K–1]
  3. C
    [ML²T²K–1]
  4. D
    [L²T–2K–2]
Question 26Single Answer
The physical quantity which has the dimensional formula [M¹T–3] is
  1. A
    surface tension
  2. B
    solar constant
  3. C
    density
  4. D
    compressibility
Question 27Single Answer
Which one of the following elements is used as a timekeeper in atomic clocks ?
  1. A
    Potassium
  2. B
    Caesium
  3. C
    Calcium
  4. D
    Magnesium
Question 28Single Answer
Which one of the following is the value of one nanometer ?
  1. A
    10–7 cm
  2. B
    10–6 cm
  3. C
    10–4 cm
  4. D
    10–3 cm
Question 29Single Answer
What is the unit of pressure ?
  1. A
    Newton/sq. meter
  2. B
    Newton–meter
  3. C
    Newton
  4. D
    Newton/meter
Question 30Single Answer
The unit of pressure is
  1. A
    kg/cm²
  2. B
    kg/cm
  3. C
    kg/mm
  4. D
    kg/cm3
Question 31Single Answer
Which one of the following quantities doe not have unit ?
  1. A
    Stress
  2. B
    Force
  3. C
    Strain
  4. D
    Pressure
Question 32Single Answer
Dimensional formula for thermal conductivity is here K denotes the temperature:
  1. A
    MLT–2K
  2. B
    MLT–2K–2
  3. C
    MLT–3K
  4. D
    MLT–3K–1
Question 33Single Answer
Which of the following is the unit of molar gas constant ?
  1. A
    JK–1 mol–1
  2. B
    Joule
  3. C
    JK–1
  4. D
    J mol–1
Question 34Single Answer
Density of liquid is 16.8 g cm–3. Its value in the International System of Units is
  1. A
    16.8 kgm–3
  2. B
    168 kgm–3
  3. C
    1680 kgm–3
  4. D
    16800 kgm–3
Question 35Single Answer
The dimensional formula of couple is
  1. A
    [ML² T–2]
  2. B
    [MLT²]
  3. C
    [ML–1T–3]
  4. D
    [ML–2T–2]
Question 36Single Answer
Subtract 0.2 J from 7.26 J and express the result with correct number of significant figures.
  1. A
    7.1 J
  2. B
    7.06 J
  3. C
    7.0 J
  4. D
    7 J
Question 37Single Answer
Multiply 107.88 by 0610 and express the result with correct number of significant figures.
  1. A
    65.8068
  2. B
    65.807
  3. C
    65.81
  4. D
    65.8
Question 38Single Answer
When 97.52 is divided by 2.54, the correct result is
  1. A
    38.3937
  2. B
    38.394
  3. C
    38.39
  4. D
    38.4
Question 39Single Answer
Which of the following is the most accurate ?
  1. A
    200.0m
  2. B
    20 × 10¹ m
  3. C
    2×10²m
  4. D
    data is inadequate
Question 40Single Answer
The area of a square is 5.29 cm². The area of 7 such square taking into account the significant figures is:
  1. A
    37cm²
  2. B
    37.030 cm²
  3. C
    37.03 cm²
  4. D
    37.0 cm²
Question 41Single Answer
The electric field due to an infinite line charge is proportional to?
  1. A
    1/r2
  2. B
    1/r
  3. C
    r
  4. D
    Constant
Question 42Single Answer
Poisson’s equation is derived from?
  1. A
    Faraday’s law
  2. B
    Ampere’s law
  3. C
    Coulomb’s law and Gauss’s theorem
  4. D
    Biot-Savart law
Question 43Single Answer
Laplace’s equation applies to regions that are?
  1. A
    Conductors only
  2. B
    Uniformly charged
  3. C
    Charge-free
  4. D
    Magnetic fields
Question 44Single Answer
The general solution to Laplace’s equation in spherical coordinates with azimuthal symmetry involves?
  1. A
    Bessel functions
  2. B
    Legendre polynomials
  3. C
    Exponential decay
  4. D
    Sine waves
Question 45Single Answer
The electric field inside a uniformly charged solid sphere varies as?
  1. A
    r
  2. B
    1/r
  3. C
    1/r2
  4. D
    Constant
Question 46Single Answer
The uniqueness theorem for boundary value problems requires?
  1. A
    Zero charge density
  2. B
    Specified boundary conditions
  3. C
    Infinite domain
  4. D
    Spherical symmetry
Question 47Single Answer
In Poisson’s equation with uniform charge density, the potential is?
  1. A
    Exponential
  2. B
    Linear
  3. C
    Quadratic
  4. D
    Harmonic
Question 48Single Answer
The electric field outside a charged conducting sphere is equivalent to that of a?
  1. A
    Infinite plane
  2. B
    Dipole
  3. C
    Uniform field
  4. D
    Point charge at its center
Question 49Single Answer
Laplace’s equation is a?
  1. A
    Elliptic PDE
  2. B
    Hyperbolic PDE
  3. C
    Parabolic PDE
  4. D
    Linear ODE
Question 50Single Answer
The electric potential due to a point charge varies as?
  1. A
    1/r
  2. B
    1/r2
  3. C
    r
  4. D
    r2
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