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

In the fusion process, there are

Question # 2

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

Question # 3

Neutrino9 is a particle with

Question # 4

Specially designed solid state detector can be used to detect.

Question # 5

Which of the following wavelength lies in X-rays region.

Question # 6

Isotopes are the atoms of the same elements which contain equal number of.

Question # 7

The phenomenon of Compton's effect process that right has

Question # 8

In radiotherapy X-rays are used to.

Question # 9

One radian is equal to.

Question # 10

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

Question # 11

Which of the following are particle accelerators.

Question # 12

In a nuclear reactor chani reaction is controlled by introducing.

Question # 13

The SI unit of radioactivity is.

Question # 14

The energy in an electromagnetic wave is carried in the units called.

Question # 15

The radius of second orbit of hydrogen atom is

Question # 16

In the Geiger Marsden experiment a narrow beam of alpha particles was fired at a thin piece of Gold foil in a vacuum Some of the particles were scattered though large angles The result of the experiment provided evidence for the existence of.

Question # 17

Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.

Question # 18

A CE amplifier with by passed emitter resistor is an example of.

Question # 19

Atomic reactor is based on

Question # 20

The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 An emitter follower has
A. High input impedance and high output impedance
B. High input impedance and low output impedance
C. Low input impedance and low output impedance
D. Low input impedance and high output impedance
2 Which type of amplifier causes minimum drain of power supply.
A. Class -A
B. Class -B
C. Class-C
D. Class -AB
3 The path of Gama rays in Wilson cloud chamber is
A. Irregular
B. Dense and straight
C. Thin and continuous
D. Thin and discontinuous
4 Which particle interact via all fundamental forces.
A. Leptons
B. Hadrons
C. Muons
D. mesons
5 The input resistance of a JFET is of the order of.
A. 1 M Mega
B. 10 M Mega
C. 100 M Mega
D. 1,000 M Mega
6 Mass -energy relation means that the product of mass times the square of the speed of light must be equal to.
A. Torque
B. Momentum
C. Energy
D. Impulse
7 As the mass number varies, which of the quantities does not change w.r.t nucleus.
A. Mass
B. Volume
C. Binding energy
D. Density
8 Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.
A. Time period
B. Frequency
C. Voltage gain
D. phase angle
9 Marie Curie and Pierre Curie discovered two new radioactive elements which are.
A. Uranium and radkum
B. Platinum and radium
C. Polonium and radium
D. Crypton and radon
10 Which of the following has the highest relative biological effectiveness or the quality factor.
A. X rays and Gama rays
B. Electrons
C. Photons
D. Alpha particles

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