PPSC Lecturer of Physics Online Test 42 Past Papers

Online Free Taleem is free online MCQ’s test related to Lecturer Physics. All the individuals who are going to appear in Lecturer Physics written test can attempt these tests in order to prepare for it in best possible way. Our tests of Lecturer of Physics include all the important questions and Past Paper of  Lecturer Physics, that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.


There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
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Test Instructions:-
Test Name Lecturer Physics 
Subject Physics Test 42
Test Type MCQs
Total Questions 25
Total Time 20 Minutes
Total Marks 100

You have 20 minutes to pass to the quiz.

PPSC Lecturer of Physics Test 42

1 / 25

When wind blows in the same direction in which the sound travels, the sound velocity:

2 / 25

Which effect explains the frequency shift that occurs when there is motion of sound, a listener or both relative to the medium?

3 / 25

Which of the following properties of sound is affected by change in air temperature?

4 / 25

Who developed gramophone is 1877?

5 / 25

Besides sound, Doppler effect occurs for:

6 / 25

When two identical (progressive) waves are super-imposed, the velocity of resultant wave:

7 / 25

Which analysis is employed to convert a complex sound into notes?

8 / 25

Which two-pronged metal device when struck, produces a sound of constant pitch?

9 / 25

Which law states that a musical sound is perceived by the ear as a set of a number of constituent pure harmonic tones?

10 / 25

Which of the following is a mechanical wave?

11 / 25

Which of the following is a conicalbore transposing musical instrument that is a member of the wood-wind family?

12 / 25

Which of the following represents an elastic wave?

13 / 25

When the source and observer are moving away from each other the apparent pitch will:

14 / 25

What is the linear succession of musical tones that is perceived as a ring entity?

15 / 25

When the prong of a tuning fork is loaded with waxe, its frequency:

16 / 25

On which parameter, the path difference between two interfering waves depend upon?

17 / 25

Due to which reason, echoes arise?

18 / 25

The beat frequency is the ................... of the two frequencies:

19 / 25

What is a sound recording device used for recording speech for later playback or to be typed into print?

20 / 25

For how long the sensation of sound persists in our brain?

21 / 25

Which property of sound is not affected by change in air temperature?

22 / 25

As a man moves away form a steady source of sound at constant speed, the sound he hears will:

23 / 25

What is a sequence of musical notes in ascending and descending order that provides material for representing musical work?

24 / 25

To what forms of waves the phenomenon of interference applies?

25 / 25

The velocity of sound in water is ................ than that of air:

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