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

  • Total Questions20

  • Time Allowed20

PPSC Physics Topic 7 Modern Physics

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Question # 1

the alpha particle does not travel for enough in air.

Question # 2

Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.

Question # 3

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

Question # 4

When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.

Question # 5

When an electron and a positron are annihilated, then number of protons produced is.

Question # 6

Which is the famous standard model of the universe.

Question # 7

When a helium atom loses an electron it becomes.

Question # 8

How many terminals does a BJT have.

Question # 9

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

Question # 10

Low frequency response of an amplifier is mainly limited by.

Question # 11

The strength of photo electric current depends upon.

Question # 12

The process of conversation of a photon into an electron and a position is called.

Question # 13

An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.

Question # 14

In the fusion process, there are

Question # 15

The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.

Question # 16

the wavelength of continuous X-rays is inversely proportional to.

Question # 17

Ashes from a campfire deep in a cave show carbon -14 activity of only one eighth the activity of fresh wood. How long ago was that campfire made.

Question # 18

The X-rays coming from a X-rays tube

Question # 19

The binding energy per nucleon for uranium is about.

Question # 20

The particles equal in mass or greater than protons are called.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Atomic reactor is based on
A. Controlled chain reaction
B. Uncontrolledly chain reaction
C. Nuclear fission
D. Nuclear fusion
2 A CE amplifier with by passed emitter resistor is an example of.
A. Current series feedback
B. Voltage sires feed back
C. Current shunt feedback
D. Voltage shunt feed back
3 Radioactive decay series can be represents on
A. Smith chart
B. Segre chart
C. Logarithmic chart
D. Carbon paper
4 Which six particles and their antiparticles interact by the weak interaction.
A. Leptons
B. Hadrons
C. Muons
D. pi mesons
5 From which radiation it is most difficult to protect oneslelf.
A. Alpha radiation
B. Beta radiation
C. Gama radiation
D. Heat radiation
6 Which of the following can be used as an arrester in a nuclear reactor.
A. Graphite
B. heavy water
C. Uranium
D. Cadmium
7 An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.
A. Rectifier
B. Amplifier
C. Thermocouple
D. Transistor
8 The bunding energy per nucleon for iron is.
A. zero
B. Maximum
C. Negative
D. Minimum
9 The most suitable material for moderator in a nuclear reactor is.
A. B
B. Cd
C. D2O
D. Uranium
10 Beta decay may occur by
A. Beta minus
B. Beta Plus
C. Electron capture
D. All of these

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