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

The energy delivered to the tissue per unit mass is called the absorbed dose of.

Question # 2

Which one of the following gates in a a universal gate.

Question # 3

The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.

Question # 4

The neutral atoms of all isotopes of the same element contain the same numbers of.

Question # 5

Compton scattering experiment seemed to indicate that radiation had

Question # 6

Which one the following is not a component of a Bipolar junction Transistor

Question # 7

The band width of an audio amplifier is.

Question # 8

X-rays are

Question # 9

How many terminals does a BJT have.

Question # 10

In heavy atims the electrons are assumed to be arranged in.

Question # 11

One gray is equal to.

Question # 12

A perfect back body

Question # 13

The scientific theory concerning the coming into existence of universe.

Question # 14

Which of the following are electromagnetic waves.

Question # 15

Which of the following phenomenon cannot be understood by quantum theory.

Question # 16

Cosmic rays mostly comprise of

Question # 17

What is the basic advantage of class A operation of an amplifier.

Question # 18

Which particle has zero charge and zero rest mass.

Question # 19

Mosley's law establishes the X-rays fluorescence of target element with is.

Question # 20

The binding energy per nucleon for uranium is about.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 X-rays are absorbed maximum by
A. Paper
B. Copper
C. Steel
D. Lead
2 LASER beam my be measure very large distance because it is.
A. Inidirectional
B. coherent
C. Monochromatic
D. Not absorbed
3 The change in wavelength of an X-ray when scattered from an electron is called.
A. Compton shift
B. Doppler shift
C. Stefan's law
D. Fraunhofer lines
4 Which of the following wavelength lies in X-rays region.
A. 1 A
B. 100 A
C. 1,000 A
D. 10,000 A
5 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
6 Mosley's law establishes the X-rays fluorescence of target element with is.
A. Atomic weight
B. Atomic number
C. Density
D. Lattice constant
7 Which of the following can be used as an arrester in a nuclear reactor.
A. Graphite
B. heavy water
C. Uranium
D. Cadmium
8 The half life of a radioactive element depends upon.
A. Temperature
B. pressure
C. nature of element
D. quantity of the element
9 The division and germier experiment relates to
A. Diffusion
B. interference
C. Polarization
D. Electron diffraction
10 The value of open loop gain for the amplifier is
A. zero
B. very low
C. very high
D. of an intermediate vaue

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