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# PPSC Lecturer Jobs 2022 Physics Subject Online Preparation

Punjab Public Service Commission Lahore has announced Lecturer jobs 2022. Both male and female candidates can apply for Lecturer jobs 2022. According to PPSC schedule PPSC has announced 1435 female various posts and 1016 male various posts for the lecturer exam 2022. You can apply online till 08th September 2020. Only online application is acceptable by PPSC Lahore.

## Sample Questions Physics Lecturer PPSC Exam 2022

Here you will find online test material for lectureship subject Physics. Candidates who are going to apply for Physics lecturer jobs 2022 can get online test material for PPSC exams 2022. Syllabus for Physics exam lecturer will 100 MCQ’S questions for 100 marks of Mater level. Time will be given for exam 90 Minutes. Download PPSC Physics subject exam test material for 2022.

Here below some important questions for online test preparation Physics lecturer jobs by PPSC 2022. Get some sample questions and hopefully these questions will help you for Physics exam lecturer jobs 2022.

(1) If A= 6i-8j, then 4A has the magnitude:

(a) 40 (b) 10 (c) 20 (d) None of these

2)            Let A= 2i+6j-3k and B= 4i+2j+k then A.B equals:

(a) 8i+12j-3k (b) 17 (c) 23 (d) None of these

3)            If V is an operator, then V.V means:

(a) Gradient of a Scalar field (b) Curl of a vector field (c) Divergence of a Vector field (d) None of these

4)            The volume of a parallelepiped bounded by Vectors A,B and C can be obtained from the

expression:

(a) ( A x B ).C (b) (A.B)x C (c) ( A x B ) x C (d) None of these

5)            A force acting on a particle is conservative if:

(a) It obeys Newton’s third law (b) It obeys Newton’s second law (c) It works equals the change in Kinetic energy (d) None of these

6)            A torque applied to a rigid object always tends to produce:

(a) A rotational acceleration (b) A linear acceleration

1. c) Precision (d) None of these

7)            When the velocity of a body is constant, its acceleration is:

(a) Maximum (b) Zero (c) Infinity (d) None of these

8)            In the absence of external torque the total angular momentum is:

(a) Constant (b) Zero (c) infinity (d) None of these

9)            The rate of change of momentum of the particle is:

(a) Energy (b) Force (c) Impulse (d) None of these

10)         The intensity of a wave is proportional to the square of:

(a) Amplitude (b) Time (c) Intensity (d) None of these

11)         The colors in soap bubbles, oil slick etc. in a thin film is due to:

(a) Diffraction (b) Polaristaion (c) Interference (d) None of these

12)         For higher resolution, in a diffraction grating, one needs to have:

(a) Large number of ruling (b) Small number of ruling

(c) No rulings at all (d) None of these

13)         To produce interference, the sources must be:

(a) Intense (b) Incoherent (c) Coherent (d) None of these

14)         Interference fringes are of:

(a) Unequal width (b) Equal width (c) Variable width (d) None of these

15)         A Carnot Cycle is:

(a) a rectangle on a P-V graph (b) bounded by two isotherms and two adiabatics

(c) any four sided process on a P-V graph (d) None of these

(a)          The temperature of the system remains constant

(b)          The temperature of the system must change

(c)           The internal energy of the system remains constant

(d)          None of these

17)         A Carnot Cycle heat engine operates between 227°C and 127° C. Its efficiency is:

(a) 44% (b) 20% (c) 79% (d) None of these

18)         Metals pipe carrying water some times bursts in winter because:

(a) Water expands (b) Ice expands when melts

(c) Metal contracts more than water (d) None of these

19)         A Fahrenheit thermometer and Celsius thermometer shows the same reading at:

(a) 200° (b) -40° (c) 100° (d) None of these

20)         Constructive and destructive superposition of waves is observed in:

(a) Polarisation (b) Interference (c) Diffraction (d) None of these

21)         A Watt – sec is a unit of:

(a) Force (b) Energy (c) Power (d) None of these

22)         The direction of any magnetic induction effect is such as to oppose the cause of the effect. This is:

(a) Coulumb’s Law (b) Ampere’s Law (c) Lenz’s Law (d) None of these

23)         A magnetic field cannot:

(a) accelerate a charge (b) Exert a force on a charge (c) change the kinetic energy of a charge (d) None of these

24)         The inverse of resistivity is called Conductivity. Its unit is:

(a) Ohm-l(b) ohm-metre (c) (ohm-meter)-l(d) None of these

25 An LRC Circuit has R= 4Q, Xc = 3 and XL=6, the impedence of the circuit is:

(a) 5Q (b) 7 Q (c) 13 Q (d) None of these

26)         A “step-down” transformer is used to:

(a) increase the power (b) decrease the voltage (c) Increase the voltage (d) None of these

27)         Electrical potential is the potential energy per unit:

(a) Charge (b) Voltage (c) Force (d) None of these

28)         The force on a charge moving with the velocity in a magnetic field B is given by:

(a) F = (q/v x B) (b) F = ( qv x B ) (c) F = (qv + B) (d) None of these

29)         A changing current “i” in any circuit induces an emf ”e” in that circuit, which is equal to:

(a) e = di/dt (b) E = i dO/dt (c) e = – L di/dt (d) None of these

30)         Inductive reactance of an inductor is:

(a) XL= co2L (b) XL= co/L (c) e = -L di/dt (d) None of these

## University of Baluchistan Merit List 2023 MS, M.Phil, PhD

The University of Baluchistan Merit List 2023 MS, M.Phil, PhD Admission have been uploaded. All …