PN Cadet Physics Tests

The Importance of PN Cadet Physics Tests in the Initial Selection

PN Cadet Physics Tests (Part-4)

61. In a flyback converter, the inductor of the buck-boost converter has been replaced by a ______?
A. Flyback capacitor
B. Flyback resistor
C. Flyback transformer
D. Flyback transistor
Correct Answer: C. Flyback transformer

62. MOSFET stands for ______?
A. Metal-oxide semiconductor field effect transistor
B. Molybdenum-oxide semiconductor field effect transistor
C. Metal-oxide silicon field effect transistor
D. Metal-oxide semiconductor field effect transmitter
Correct Answer: A. Metal-oxide semiconductor field effect transistor

63. Spectrum is made of ______ colors?
A. 7
B. 8
C. 6
D. 9
Correct Answer: A. 7

64. Sunlight is composed of ______?
A. Three colours
B. Six colours
C. Seven colours
D. Eight colours
Correct Answer: C. Seven colours

65. Which is least Conductor of Electricity among the following?
A. Wood
B. Copper
C. Iron
D. Water
Correct Answer: A. Wood

66. Advantages of Cuk converter is/are ______?
A. Large number of reactive component
B. Low stress on switch
C. Low stress on capacitor
D. None of these
Correct Answer: B. Low stress on switch

67. The ac output current in CSI is carried by ______?
A. Only minority carriers
B. Only majority carriers
C. Both minority and majority carriers
D. None of these
Correct Answer: C. Both minority and majority carriers

68. Newton’s First Law of Motion states:
A. A body accelerates when a net force acts on it
B. A body continues its state of motion unless acted upon by a net force
C. Every action has an equal and opposite reaction
D. Momentum is always conserved
Correct Answer: B. A body continues its state of motion unless acted upon by a net force

69. Newton’s Second Law relates force to:
A. Mass and velocity
B. Acceleration and mass
C. Momentum and time
D. Energy and displacement
Correct Answer: B. Acceleration and mass

70. The Law of Conservation of Momentum applies to:
A. Only elastic collisions
B. Only inelastic collisions
C. Isolated systems with interacting bodies
D. Systems with external forces
Correct Answer: C. Isolated systems with interacting bodies

71. Pascal’s Law describes how pressure is transmitted in:
A. Gases only
B. Solids only
C. Enclosed liquids
D. Plasma
Correct Answer: C. Enclosed liquids

72. Hooke’s Law states that strain is proportional to stress:
A. Under all conditions
B. Only beyond the elastic limit
C. Within the elastic limit
D. For plastic materials only
Correct Answer: C. Within the elastic limit

73. Stoke’s Law describes viscous drag force as:
A. F = ma
B. F = 6ฯ€ฮทrv
C. F = G(mโ‚mโ‚‚)/rยฒ
D. F = kx
Correct Answer: B. F = 6ฯ€ฮทrv

74. Bernoulli’s equation relates which quantities?
A. Pressure, flow speed, and height
B. Force, mass, and acceleration
C. Charge, voltage, and resistance
D. Wavelength, frequency, and speed
Correct Answer: A. Pressure, flow speed, and height

75. The Doppler Effect describes changes in:
A. Light intensity
B. Sound frequency due to relative motion
C. Electric current
D. Magnetic field strength
Correct Answer: B. Sound frequency due to relative motion

76. Huygens’ Principle explains:
A. Wavefront propagation
B. Particle motion
C. Thermodynamic cycles
D. Electric circuits
Correct Answer: A. Wavefront propagation

77. The First Law of Thermodynamics introduces:
A. Entropy
B. Internal energy (U)
C. Absolute zero
D. Heat engines
Correct Answer: B. Internal energy (U)

Free Online Practice of Physics Tests (Matric Level)

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Physics Tests Quiz (Matric Level)

1 / 25

Earth's gravitational force of attraction vanishes at:

2 / 25

When the quick transfer of heat is required through a body, we use?

3 / 25

Who discovered invisible radiation?

4 / 25

In the refracting telescope use _____ convex lense:-

5 / 25

Electromagnetic induction was discovered by:-

6 / 25

All electric wires are well insulated for the purpose of safety with some?

7 / 25

A thermometric liquid's freezing point should be?

8 / 25

Torque depends on:-

9 / 25

The sum of all applied torques is zero it is _____ law of equilibrium:-

10 / 25

If the direction of motion of the force is perpendicular to the direction of motion of the body then work done will be________?

11 / 25

In Pakistan, the frequency of alternating current (AC) is ____?

12 / 25

The motion of a body in straight line is:-

13 / 25

According to Newton 3rd law, action and reaction acts on โ€ฆโ€ฆโ€ฆโ€ฆ.

14 / 25

Base unit is__?

15 / 25

One Newton is equal to:-

16 / 25

Vfยฒ- Viยฒ = _____:-

17 / 25

The refractive index of water is:-

18 / 25

The magnification of compound microscope is given by M= [1 + d/ fe] ร—_____:-

19 / 25

Which metal is the lightest one:-

20 / 25

The splitting of vectors into two components is called?

21 / 25

The value of sin90ยฐ is:-

22 / 25

If left plate of all the capacitors are connected to one point and the right one to another point, this combination of capacitor is known as:-

23 / 25

Volume is a _____ quantity:-

24 / 25

Normally the blood pressure of the person is:

25 / 25

In farsightedness we can not see:-

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Free Online Practice of Physics Tests (Intermediate Level)

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Physics Tests Quiz (Inter Level)

1 / 25

The minimum number of unequal forces whose resultant will be zero:-

2 / 25

Where the streamlines are far apart from each other, the pressure will be:-

3 / 25

The waves which propagates by the oscillation of material particles are known as:-

4 / 25

The light from the sun reaches the earth in:-

5 / 25

Unit of G is:-

6 / 25

3.1 ร—10 -8 years are in one:-

7 / 25

Which of the following quantities remains the same inย  a planetary motion w.r.t sun:-

8 / 25

Which of the vector combination is not feasible to be in equilibrium:-

9 / 25

Rectangular coordinate system is also called:-

10 / 25

Work has the dimension as that of:-

11 / 25

If the angle between two vectors with magnitude 4 and 5 is 60ยฐ then their scalar product is:-

12 / 25

The relation between horse power and watt is.

13 / 25

According to Laplace correction, Boyle's law taken the form:-

14 / 25

The consumption of energy by 60 watt bulb is 2 second is:-

15 / 25

The distance between two consecutive crest or trough is called:-

16 / 25

Sodium chloride in a flame gives pure ____ light:-

17 / 25

Height of geostationary satellite above the equator is:-

18 / 25

Digital modulation is expressed in:-

19 / 25

Both the dot product and cross product of two vectors A and B is zero, when:-

20 / 25

Which of the following is not a unit of length:-

21 / 25

The apparent weightย  ofย  a man in ascending lift moving with acceleration 'a':-

22 / 25

If the mass of the body is doubled, then the acceleration becomes:-

23 / 25

Pull of earth on a mass of 10kg on the surface of earth is:-

24 / 25

Range of projectile when it is thrown at 89.9ยฐ is:-

25 / 25

Laws of motion are not valid in a system which is:-

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Free Online Practice of Physics Tests (Graduation Level)

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Physics Tests Quiz (Graduation Level)

1 / 25

The ratio of permitivity of medium to permitivity of vacuum is called:-

2 / 25

Fractionalย  increaseย  in originalย  length is called :-

3 / 25

Aย  voltmeter arrangedย  acrossย  theย  powerย  supplyย  measures :-

4 / 25

What is the reason for twinkling of star:-

5 / 25

Contactย  forceย  alwaysย  acts atย  ย right angleย  to the surfaceย  producingย  it :-

6 / 25

Intensityย  ofย  xย  rays can be increasedย  byย  increasing :-

7 / 25

Highย  qualityย  musicย  onlyย  needsย  frequenciesย  upย  to:-

8 / 25

On heating a solid , as the separation of atoms increase the potential energy:-

9 / 25

Electrostatic precipitator is used to control theย  pollution of ;-

10 / 25

Acceleration due to gravityย  on moon is ;-

11 / 25

Energy in aย  reflected light _______ with the increase in angle:-

12 / 25

In a laser all the atom emit the light waves of :-

13 / 25

Wave equation describing propagation of:-

14 / 25

Velocityย  required by an objectย  to orbitย  ย aroundย  earth is ;-

15 / 25

The sensation of weightlessness inย  spacecraft in an orbit is due to:-

16 / 25

Projectileย  willย  attainย  itsย  maximumย  rangeย  ifย  itย  isย  firedย  at an angleย  ofย  :-

17 / 25

Woolen clothes protect bodyย  from the coldย  because :-

18 / 25

Wavesย  associatedย  with electronsย  ย areย  referred to as ;-

19 / 25

In cellsย  ,ย  internalย  resistanceย  is due to ;-

20 / 25

Linear expansion occur in;-

21 / 25

Planck's constant has a unit of:-

22 / 25

As depth increasesย  ,ย  pressureย  in aย  fluid ;-

23 / 25

Pointย  whereย  allย  weightย  ofย  object acts isย  called :-

24 / 25

Refrigeration is a process which:-

25 / 25

The SI unit of magnetic flux is:-

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FAQs

1. What is the weightage of Physics in the PN Cadet initial tests?

Answer: Physics typically carries 20-25% weightage in the PN Cadet initial tests, covering topics from Matric to FSc level.

2. Which Physics topics are most important for the PN Cadet test?

Answer: Key topics include:

  • Mechanics (Newtonโ€™s Laws, Projectile Motion)
  • Thermodynamics
  • Electromagnetism
  • Waves & Optics
  • Modern Physics (Basics of Nuclear Physics)

3. Are the Physics questions in the PN Cadet test MCQ-based or descriptive?

Answer: The test is MCQ-based, with 4-5 options per question.

4. How can I practice Physics MCQs for the PN Cadet test?

Answer: Use past papers, online MCQ tests as given above or at pakshaheens.com, or tutorials.pakshaheens.com, and Physics preparation books (e.g., Punjab Textbooks, ETEA/NDA guides).

5. What is the passing score for the Physics section in the PN Cadet test?

Answer: The exact passing marks vary, but scoring 70% or above in Physics increases selection chances.

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