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

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PPSC Physics Topic 7 Modern Physics

00:00
Question # 1

There are how many types of forces or interactions.

Question # 2

One radian is equal to.

Question # 3

Which of the following radiations can penetrate 20 cm thick steel.

Question # 4

X-ray are

Question # 5

The process by which nuclei emit a ,b and gama rays in order to attain stability is called.

Question # 6

The term used for the emission of electrons when light strikes a surface.

Question # 7

When an object moves with a very high speed the length in the direction of motion.

Question # 8

When a platinum wire is heated of 1600 oC, it becomes

Question # 9

In scattering experiment which force scatters alpha particle.

Question # 10

Atomic reactor is based on

Question # 11

Neutrino9 is a particle with

Question # 12

Which temperature is required for the fusion of two nuclides.

Question # 13

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

Question # 14

Which of the following configuration of BJTs gives both voltage gain and current gain.

Question # 15

LASER beam my be measure very large distance because it is.

Question # 16

Marie Curie and Pierre Curie discovered two new radioactive elements which are.

Question # 17

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

Question # 18

Why is a capacitor resistor combination used in oscillators in grid circuit.

Question # 19

The most convenient unit for energy at the atomic level is.

Question # 20

At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 In fission reaction, heavy water is used as a
A. Coolant
B. Moderator
C. Heat exchanger
D. Controller of reaction rate
2 The splitting of atomic energy levels and the associated spectrum lines when the atoms are placed in a magnetic field is called.
A. The photoelectric effect
B. The zeeman effect
C. The Compton effect
D. Quantum effect
3 Which particle has zero charge and zero rest mass.
A. Neutron
B. Proton
C. Electron
D. Photon
4 The number of electrons in U nucleus are.
A. 92
B. 235
C. zero
D. 143
5 In scattering experiment which force scatters alpha particle.
A. Nuclear force
B. Coulomb's force
C. Gravitational force
D. Centripetal force
6 Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.
A. Archimede's principle.
B. Heisenberg uncertainty principle
C. Mosley's law
D. Schrodinger's wave equation
7 In Compton's effect the change in wavelength of a scattered photon is called.
A. Angle of emergence
B. Angle of refraction
C. Angle of deviation
D. Compton shift
8 How much large is the proton mass than the electron mass.
A. 1536
B. 1636
C. 1736
D. 1836
9 Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.
A. Photoelectric effect
B. Zeeman effect
C. Shadow photography
D. Ionization
10 the wavelength of continuous X-rays is inversely proportional to.
A. Intensity of incident electron beam
B. Temperature of the target
C. Intensity of X-rays
D. The energy of electrons striking the target

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