# PPSC Lecturer of Physics Online Test 38 Past Papers

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 Test Instructions:- Test Name Lecturer PhysicsÂ Subject Physics Test 38 Test Type MCQs Total Questions 25 Total Time 20 Minutes Total Marks 100
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You have 20 minutes to pass to the quiz.

PPSC Lecturer ofÙ— English Test 38

1 / 25

Which of the following quantities associated with SHM do not vary periodically?

2 / 25

When the restoring force is proportional to the ......................from equilibrium, the oscillation is called simple harmonic motion (SHM):

3 / 25

Two SHM are represented by y1 = 0.1 sin (100 Ï€t + Ï€/3) and y2 = 0.1 cos Ï€t. The phase difference of the velocity of 1st with respect to 2nd is:

4 / 25

A body experiences SHM with an amplitude. When this body is at its maximum displacement its phase is:

5 / 25

The displacement of particle in SHM in one time period is:

6 / 25

What is the number of degrees of freedom of an oscillating simple gravity pendulum?

7 / 25

Two particles are executing SHM of same period. If the second particle starts form mean position T/2 later than the first the phase difference between the two particles at any instant of time is:

8 / 25

The angular frequency, time period and frequency of a simple pendulum depends only on the:

9 / 25

The amplitude of a vibrating body placed in a resisting medium:

10 / 25

The curve between the acceleration and velocity of body in SHM is a(an):

11 / 25

The frequency of SHM is 100 Hz. Its time period is:

12 / 25

How much radians is the phase difference between the velocity and displacement is SHM?

13 / 25

Which of the following is not essential for the free oscillation of a mass attached to a spring?

14 / 25

The circular motion of a particle with constant speed is:

15 / 25

Which law states in simple terms that stress (force per unit area) is directly proportional to strain (fractional deformation)?

16 / 25

SHM may be assumed as a projection of uniform circular motion along a:

17 / 25

The total energy of a body executing SHM is directly proportional to:

18 / 25

Which of the following physical systems are examples of simple harmonic oscillator?

19 / 25

The period of pendulum is determined by its:

20 / 25

The graph between restoring force and time in SHM is:

21 / 25

The time period of the hour hand of a watch is:

22 / 25

In simple harmonic motion (SHM), we have the conservation of:

23 / 25

A body that undergoes simple harmonic motion is called a harmonic:

24 / 25

The angular frequency, time period and frequency in SHM does not depend upon:

25 / 25

What is the time period of a seconds pendulum?