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

Question # 2

The chemical behavior of an atom is determined by

Question # 3

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

Question # 4

The path of electron in Rutherford atomic model according to classical theory a.

Question # 5

The transition of inner shell electrons in heavy atoms gives rise to the emission of.

Question # 6

The binding energy to pull the deuterium H apart into a proton and a neutron is equal to.

Question # 7

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

Question # 8

There are how many modes of operations of a BJT.

Question # 9

In the fusion process, there are

Question # 10

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

Question # 11

X-rays travel with

Question # 12

During the alpha decay process

Question # 13

The 'x' in X-rays means

Question # 14

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

Question # 15

The Rutherford atom according to classical theory is

Question # 16

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

Question # 17

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

Question # 18

Emitter follower amplifier is an example of.

Question # 19

The change in wavelength of an X-ray when scattered from an electron is called.

Question # 20

How positives feedback will effect an amplifier.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The input exultation for a JFET is
A. Current signal
B. Voltage signal
C. Voltage and current signals
D. Neither voltage nor current signal
3 An oscillator is basically an amplifier with loop gain
A. Zero
B. Less than unity
C. More than unity
D. Infinity
4 The phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as.
A. Pair production
B. Pair annihilations
C. Photoelectric effect
D. Compton's effect
5 Which experiment confirmed the de Broglie hypothesis.
A.
Double slit experiment
B. Division germier experiment
C. Schrodinger's Cat experment
D. Bohr's experiment
6 x-rays cannot produce
A. Photoelectron
B. Compton electron
C. Electron positron pair
D. All of these
7 Work function is generally expressed in.
A. Electron volt
B. Joules
C. Newtons
D. Gauss
8 In a cloud chamber the Alpha particles leave
A. Dense, straight and continuous tracks
B. Only straight and continuous tracks
C. Thin and discontinuous tracks
D. Irregular tracks
9 Alpha particles are
A. Helium nuclei
B. sodium nuclei
C. Ioized nuclei
D. Hydrogen nuclei
10 The particles equal in mass or greater than protons are called.
A. Mesons
B. Bosons
C. Baryons
D. Nucleons

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