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

As the mass number increases, the binding energy per nucleon in a nucleus

Question # 2

Matter waves

Question # 3

One becquerel is equal to

Question # 4

Which given element has lowest work function

Question # 5

In the experiment of production of X rays electrons are accelerated towards the anode by

Question # 6

The hyperfine lines in the spectrum relates to

Question # 7

The division and germier experiment relates to

Question # 8

Bohr's atomic model assumes

Question # 9

The tunnel effect makes possible

Question # 10

The emission of photons by a metal when electrons are incident is called.

Question # 11

The loss of mass in a.m.u in a nuclear change can be calculated from energy involved in MeV by

Question # 12

Two electrons approach each other their relative velocity will be.

Question # 13

The energy equivalent of 1 kg of matter a

Question # 14

The charge on a helium nucleus is equal to the charge of.

Question # 15

From which radiation it is most difficult to protect oneslelf.

Question # 16

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

Question # 17

The critical mass of a fissionable material is.

Question # 18

When a helium atom loses an electron it becomes.

Question # 19

The 'x' in X-rays means

Question # 20

In Compton's effect the change in wavelength of a scattered photon is called.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which one the following is not a component of a Bipolar junction Transistor
A. Base
B. Emitter
C. Collector
D. Grid
2 Which configuration is used to connect high impedance source to a low impedance lead.
A. CE
B. CB
C. CC
D. BE
3 In n-p-n transistor the current flows in the direction from
A. Emitter to base
B. emitter to collector
C. Base to emitter
D. Base to collector
4 Which of the following is not a mode of radioactive decay
A. Nuclear fusion
B. Alpha decay
C. Electron capture
D. Positron emission
5 Among different elements of the periodic table which of the following atoms is the simplest.
A. Carbon
B. Oxygen
C. Hydrogen
D. Nitrogen
6 The total energy of an electron in an orbit around the nucleus is.
A. Zero
B. Unity
C. Infinity
D. Negative
7 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
8 Which both elements are good for nuclear fission.
A. Thorium an uranium
B. Thorium and radium
C. Plutonium and uranium
D. Plutonium and throrium
9 A device used to determine mass of an isotope quite accurately is known as.
A. Spectrometer
B. Mass spectrometer
C. Mass detector
D. Electronic balance
10 The Rutherford atom according to classical theory is
A. Stable
B. Unstable
C. Partially stable
D. Quantized

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