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

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PPSC Physics Topic 7 Modern Physics

00:00
Question # 1

Which one of the following is a convenient energy unit to express the energy of sub atomic particles.

Question # 2

The Compton effect in X-rays proves that

Question # 3

Which of the following particles leave no trail in a cloud chamber.

Question # 4

If we use two diodes and a centre tapped transformer we eill get

Question # 5

The particles less in mass than protons are

Question # 6

X-rays used for

Question # 7

A logic circuit with one input and one output that inverts the input signal at the output is.

Question # 8

X-rays are good for imagining

Question # 9

One becquerel is equal to

Question # 10

The necessary condition for nuclear fusion is.

Question # 11

The nucleus of tritium is called.

Question # 12

The emission of Beta particle from protonium -218 results in the formation of.

Question # 13

What is the relativistic version of the Schrodinger equation.

Question # 14

In annitilation of matter, positron and electron pair disappears into two

Question # 15

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

Question # 16

Which of the following properties is not exhibited by X-rays.

Question # 17

Which of the following has greatest binding energy per nucleon.

Question # 18

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

Question # 19

Which Isotopes is use din radioactive dating.

Question # 20

The part of theory of relativity which deals with accelerated bodies is called.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Most widely used types of gas LASER are
A. Neon
B. Argon ion
C. Helium
D. All of these
2 There are how many types of forces or interactions.
A. Two
B. Three
C. Four
D. Five
3 The capture of neutron by a proton results in the formation of.
A. Deuteron and gama rays
B. Deuteron and alpha particle
C. Triton and Beta particles
D. Tritron and X rays
4 Cobalt -60 is a radioactive element with half life of 5.25 years. What fraction of the original sample will be left after 26 years.
A. 1/4
B. 1/8
C. 1/16
D. 1/32
5 An operational amplifier have how many input terminals.
A. One
B. Two
C. Three
D. Four
6 The potential due to which an electron is lifted from gerund state to excited state is.
A. Potential gradient
B. excitation potential
C. Ionization potential
D. Potential difference
7 In a Geiger Marsden experiment why do the great majority of the Alpha particles pass straight through the metal foil.
A. Atomic nuclei may contain neutrons
B. Atoms are electrically neutral
C. Atoms are largely empty space
D. Atoms have positively charged nuclei
8 At what speed the mass of a body will be doubled.
A. 0.67 C
B. 0.77 C
C. 0.87 C
D. 0.97 C
9 The division and germier experiment relates to
A. Diffusion
B. interference
C. Polarization
D. Electron diffraction
10 A transistor can be used as
A. Oscillator
B. Amplifier
C. Switch
D. Both a and c

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