PPSC Physics Topic 7 MCQ Test With Answer

Prepare Modern Physics and all other important topics with PPSC Physics online test. Modern Physics is a term that is used to describe all the discoveries and observations that made physicists rethink their understanding of Physics in the 19th and 20th centuries. In this day and age, one can't study Physics without having a firm understanding of concepts of Modern Physics. That’s why seekers for PPSC Physics jobs need to understand the subject of Modern Physics. Examiners ask many questions from this topic in the PPSC Physics test.

To make the PPSC exam preparation easier for you, team IlmKiDunya.com has created the PPSC Physics online test portal. On this page, you can attempt the PPSC online test MCQs about Modern Physics. Many students complain that they don’t find information about the PPSC Physics exam preparation. We at IlmKiDunya.com bring PPSC online test to your fingertips so you can prepare quickly for the test.

MCQ's Test For PPSC Physics Topic 7 Modern Physics

Try The MCQ's Test For PPSC Physics Topic 7 Modern Physics

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PPSC Physics Topic 7 Modern Physics

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Question # 1

Which six particles and their antiparticles interact by the weak interaction.

Question # 2

Compton scattering experiment seemed to indicate that radiation had

Question # 3

In the experiment of production of X rays electrons are accelerated towards the anode by

Question # 4

If an object moves with velocity of light the apparent mass of the object as compared to list original mass is

Question # 5

At what speed the mass of a body will be doubled.

Question # 6

A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.

Question # 7

The Inner electrons in heavy atoms can be disturbed and dislodged by.

Question # 8

The half life of a radioactive substance depend on.

Question # 9

An increase in frequency above threshold frequency results in.

Question # 10

The path of electron in Rutherford atomic model according to classical theory a.

Question # 11

At high temperature a body generally emits redactions of.

Question # 12

Which experiment is a demonstration that matter and energy can display properties of both waves and particles.

Question # 13

X-rays are

Question # 14

The binary equivalent of 25 is

Question # 15

Among different elements of the periodic table which of the following atoms is the simplest.

Question # 16

An example of continuous spectrum is.

Question # 17

In which of the following controlled nuclear chain reaction is used to liberate energy.

Question # 18

How positives feedback will effect an amplifier.

Question # 19

The hyperfine lines in the spectrum relates to

Question # 20

The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The particles equal in mass or greater than protons are called.
A. Mesons
B. Bosons
C. Baryons
D. Nucleons
2 The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.
A. Molecular force
B. Nuclear force
C. Atomic force
D. Gravitational force
3 Which of the following is invariant under Galilean transformation.
A. Velocity
B. Impulse
C. Momentum
D. Distance
4 Push pull amplifiers employ
A. One transistor
B. Two transistors
C. Three transistors
D. Four transistors
5 Alpha particles emitted from a radioactive material are.
A. He nucliei
B. H -nucliei
C. Li nucliei
D. B nucliei
6 NOR gate is a combination of.
A. OR gate and NOT gate
B. OR gate and AND gate
C. OR gate and OR gate
D. NOT gate and AND gate
7 The phenomenon of Compton's effect process that right has
A. Wave nature
B. Particle nature
C. Dual nature
D. Corpuscular nature
8 One rem is equal to.
A.
0.1 Sv
B. 0.01 Sv
C. 0.001 Sv
D. 0.0001 SV
9 Nuclear force as compared to electrostatic force is.
A. Weaker and long range
B. Weaker and short range
C. Stronger and longer range
D. Stronger and short range
10 In the Geiger Marsden experiment a narrow beam of alpha particles was fired at a thin piece of Gold foil in a vacuum Some of the particles were scattered though large angles The result of the experiment provided evidence for the existence of.
A. A very small charged nucleus
B. electrons orbiting the nucleus
C. Neutrons in the nucleus
D. Nuclear reaction

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