PPSC Lecturer of Physics Online Test 46 Solved MCQs

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.

Note:-

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.
At the End of the Test you can see your Test score and Rating.
If you found any incorrect answer in Quiz. Simply click on the quiz title and comment below on that MCQ. So that I can update the incorrect answer on time.

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Test Instructions:-
Test NameLecturer Physics 
SubjectPhysics Test 46
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100
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You have 20 minutes to pass to the quiz.

You have 20 minutes to pass to the quiz.


PPSC LECTURER OF PHYSICS TEST NO. 46

1 / 25

An airplane is flying north at 500 km/h. It makes a gradual 180◦ turn at constant speed, changing its direction of travel from north through east to south. The process takes 40 s. The average acceleration of the plane for this turn (in km/h·s) is:

2 / 25

Which of the following is NOT an example of accelerated motion?

3 / 25

Which of the following is a vector quantity?

4 / 25

A particle goes from x = −2m, y = 3m, z = 1m to x = 3m, y = −1m, z = 4 m. Its displacement is:

5 / 25

A stone is thrown outward from the top of a 59.4-m high cliff with an upward velocity component of 19.5m/s. How long is stone in the air?

6 / 25

Two vectors have magnitudes of 10m and 15 m. The angle between them when they are drawn with their tails at the same point is 65◦. The component of the longer vector along the line perpendicular to the shorter vector, in the plane of the vectors, is:

7 / 25

Velocity is defined as:

8 / 25

A bomber flying in level flight with constant velocity releases a bomb before it is over the target. Neglecting air resistance, which one of the following is NOT true?

9 / 25

A stone thrown from the top of a tall building follows a path that is:

10 / 25

A bullet shot horizontally from a gun:

11 / 25

Two vectors lie with their tails at the same point. When the angle between them is increased by 20◦ the magnitude of their vector product doubles. The original angle between them was about:

12 / 25

An airplane makes a gradual 90◦ turn while flying at a constant speed of 200m/s. The process takes 20.0 seconds to complete. For this turn the magnitude of the average acceleration of the plane is:

13 / 25

A particle moves at constant speed in a circular path. The instantaneous velocity and instantaneous
 acceleration vectors are:

14 / 25

A projectile is fired from ground level over level ground with an initial velocity that has a vertical component of 20m/s and a horizontal component of 30m/s. Using g = 10m/s2, the distance from launching to landing points is:

15 / 25

Identical guns fire identical bullets horizontally at the same speed from the same height above level planes, one on the Earth and one on the Moon. Which of the following three statements is/are true?

I. The horizontal distance traveled by the bullet is greater for the Moon.
II. The flight time is less for the bullet on the Earth.
III. The velocity of the bullets at impact are the same.

16 / 25

An object is shot from the back of a railroad flatcar moving at 40km/h on a straight horizontal road. The launcher is aimed upward, perpendicular to the bed of the flatcar. The object falls:

17 / 25

Two objects are traveling around different circular orbits with constant speed. They both have the same acceleration but object A is traveling twice as fast as object B. The orbit radius for object A is the....................... orbit radius for object B.

18 / 25

A jet plane in straight horizontal flight passes over your head. When it is directly above you, the sound seems to come from a point behind the plane in a direction 30◦ from the vertical. The speed of the plane is:

19 / 25

A stone is tied to a string and whirled at constant speed in a horizontal circle. The speed is then doubled without changing the length of the string. Afterward the magnitude of the acceleration of the stone is:

20 / 25

A plane traveling north at 200m/s turns and then travels south at 200m/s. The change in its velocity is:

21 / 25

Which of the following is a scalar quantity?

22 / 25

A large cannon is fired from ground level over level ground at an angle of 30◦ above the horizontal. The muzzle speed is 980m/s. Neglecting air resistance, the projectile will travel what horizontal distance before striking the ground?

23 / 25

Two bodies are falling with negligible air resistance, side by side, above a horizontal plane. If one of the bodies is given an additional horizontal acceleration during its descent, it:

24 / 25

Acceleration is defined as:

25 / 25

The velocity of a projectile equals its initial velocity added to:

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