Lecturer Physics Test 22 Online Preparation MCQs Past Papers

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There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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 Test Instructions:- Test Name Lecturer PhysicsÂ Subject Physics Test 22 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 of Physics Practice Test 22

1 / 25

A beaker is full of water with an ice piece floating. The ice piece has a lead piece in it. When ice cube melts them:

2 / 25

K.E. of a body of mass m and momentum p is given by:

3 / 25

The critical angle will be maximum when light travels from:

4 / 25

Which of the following is not an elastic collision?

5 / 25

Which are the types of wave fronts?

6 / 25

The variation of focal length when we pass from the central position to the periphery is called:

7 / 25

When the velocity of a body is doubled, which one is doubled too?

8 / 25

The ratio of the speed of an object moving through air to the speed of sound is called:

9 / 25

A shell explodes and many pieces fly off in different directions. The following is conserved:

10 / 25

Which property of light waves does not vary with the medium?

11 / 25

What is the magnifying power of a convex lens of focal length 5 cm?

12 / 25

The Magnus effect is equivalent to:

13 / 25

A rod of refractive index 1.42 is immersed in a liquid of refractive index 1.42. The rod will:

14 / 25

Two lenses of focal length of are combined. The resultant focal length:

15 / 25

The waves emitted by a radio transmitter are:

16 / 25

A collision in which the two bodies stick together after the collision is:

17 / 25

For the Bernoulliâ€™s theorem to the applicable, the fluid flow should be:

18 / 25

The ideal fluid model is based on four assumptions:

19 / 25

The velocity of an object when projected from the earth in order to escape the earthâ€™s gravitational field is called the:

20 / 25

Powder clings to the face due to:

21 / 25

When a light ray enters a glass slab form air:

22 / 25

The velocity at which laminar (steady) flow changes to turbulent (eddy) flow is called:

23 / 25

Turbulent flow of a fluid occurs when the Reynold number is a above about:

24 / 25

Fluid flows a laminar for Reynold numbers up to:

25 / 25

Surface tension of a liquid may be defined as: