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

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Question # 1

Which of the following has the highest relative biological effectiveness or the quality factor.

Question # 2

A solid state detector is basically

Question # 3

When a posirtron is emitted it causes.

Question # 4

Deuterium is

Question # 5

The electrons behave as waves, because they can .

Question # 6

Which configuration is used to connect high impedance source to a low impedance lead.

Question # 7

What are isotopes.

Question # 8

As the mass number varies, which of the quantities does not change w.r.t nucleus.

Question # 9

The constant lamda is called the.

Question # 10

Which of the following circuits is used as local oscillator in radio receivers.

Question # 11

The energy equivalent of 1 kg of matter a

Question # 12

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

Question # 13

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

Question # 14

Which of the following is deflected by an electric field.

Question # 15

Which particle has zero charge and zero rest mass.

Question # 16

Alpha particles are used for the treatment of skin of a patient due to.

Question # 17

In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.

Question # 18

What is the quantitative description of the effect of radiation on the living tissue.

Question # 19

Hydrogen bomb is based on

Question # 20

The most readily fissionable isotope of uranium has atomic mass of

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following can be used as an arrester in a nuclear reactor.
A. Graphite
B. heavy water
C. Uranium
D. Cadmium
2 In a transistor which one is very thin.
A. Collector
B. Emitter
C. Base
D. Depletion region
3 the gain of an amplifier is independent of
A. The two externally connected resistances
B. What is happening inside the amplifier
C. Internal structure of the amplifier
D. All of the above
4 Which of the following is deflected by an electric field.
A. Alpha particles
B. X rays
C. Gama rays
D. Neutrons
5 The term used for the emission of electrons when light strikes a surface.
A. The zeeman effect
B. The photo electric effect
C. Skin effect
D. Compton effect
6 Which one of the following gates in a a universal gate.
A. OR
B. AND
C. NOT
D. NAND
7 Which of the following configuration of BJTs gives both voltage gain and current gain.
A. common Base
B. Common Emtter
C. Common collector
D. All of the above
8 In which of the following controlled nuclear chain reaction is used to liberate energy.
A. Nuclear bomb
B. Atomic bomb
C. Hydrogen bomb
D. Nuclear reactor
9 Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.
A. Attraction of nucleus
B. Collision with nuclei
C. Interactions with electrons
D. Electrostatic repulsion by the nucleus
10 Which configuration is used to connect high impedance source to a low impedance lead.
A. CE
B. CB
C. CC
D. BE

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