ECAT Pre General Science Chapter 21 online mcq test with answers for Physics chapter 21 (Nuclear Physics)

Top Scorers Of ECAT Pre General Science Physics Chapter 21 Nuclear Physics MCQ`s Test

L

LAVANYA 31 - May - 2018 04 Min 45 Sec 110/120
U

Ukasha Rana 29 - Apr - 2022 10 Min 50 Sec 100/120
G

Gorak Danda 24 - Jun - 2024 08 Min 03 Sec 80/120
H

haseeb 12 - Sep - 2021 07 Min 18 Sec 65/120
C

Ch Iftihar 25 - Jan - 2022 07 Min 34 Sec 65/120
A

Aleem Tahir 20 - Apr - 2021 10 Min 50 Sec 65/120
H

Hamza Mukhtair 14 - Jul - 2022 06 Min 35 Sec 50/120
I

ifrah Sheerazi 24 - Jun - 2021 10 Min 50 Sec 50/120
U

umar 12 - Aug - 2021 10 Min 50 Sec 45/120
N

Neha Khan 02 - Dec - 2021 10 Min 50 Sec 40/120
F

Faisal Mehrban 22 - Jun - 2021 10 Min 50 Sec 40/120
S

Sýèd Zàhàd 24 - Jun - 2022 10 Min 50 Sec 30/120
S

Sami Saleem 23 - May - 2023 10 Min 50 Sec 25/120
F

Faraz Ahmad 06 - May - 2021 10 Min 50 Sec 15/120
M

Malik Farhan 23 - May - 2021 07 Min 32 Sec 10/120

ECAT Physics Chapter 21 Important MCQ's

Sr.#	Question	Answer
1	Proton was discovered by Rutherford in	A. 1915 B. 1906 C. 1910 D. 1920
2	Rate of decay is actually described by.	A. Half line B. Decay constant C. Mean life D. Total life
3	Neutron was disvovered by:	A. Rutherford in 1920 B. Chadwick in 1922 C. Bohr in 1913 D. Compton in 1927
4	The penetration power ofβ-particle is	A. zero B. less thanα-particle C. equal toα-particle D. greater thanα-particle
5	Which of the following material has longer half life	A. radium B. polonium C. radium D. uranium
6	For an atom having atomic number Z and atomic weight A, the charge on the nucleus is	A. A - Z B. A + Z C. Z D. A
7	When radioactive nucleus emits aβ-particle, the proton-neutron ratio	A. decrease B. increase C. same D. none of these
8	Gamma rays consist of steam of	A. electron B. proton C. photons D. all of these
9	The rate of decay of radioactive substance	A. is constant B. decrease exponentially with time C. varies inversely as time D. decreases linearly with time
10	A pair of quark and antiquark makes a:	A. Meson B. Baryon C. Proton D. Neutron

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

ECAT Pre General Science Physics Chapter 21 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 21 Nuclear Physics

ECAT Pre General Science Physics Chapter 21 Nuclear Physics

The time required for a radioactive material to decrease in active by one half is called

The amount of energy equivalent to 1 a.m.u is

Proton was discovered by Rutherford in

The figure 1.007276μ shows the mass of an:

Referring to the above figure, we can say that of all the elements, the most stable element is

1 amu is equal to

Neon gas have three isotopes whose atomic numbers are

An alpha particle has a charge of

Binding energy per nucleus is

A particle having the mass of electron and charge of a proton is called a

Three quarks make:

When thorium nucleus emits aβ-particle, the daughter nucleus is called:

A pair of quark and antiquark makes a:

Which are not the elementary particles?

The nuclei of an element having the same charge number but different mass numbers are called:

Nuclei that have the same charge number but different mass number are called

For an atom having atomic number Z and atomic weight A, the number of electron in an atoms

When certain nucleus emits aβ-particles, is mass number:

The nucleous of uranium -235 differs from a nucleous of a uranium -238 in that the later contains

For Protium, the mass defect is:

The half life of radioactive substances depends upon

The energy is found from Einstein's mass energy relation is called

Neutrons are

Referring to the above figure, the binding energy per nucleon increases upto mass number equal to:

The range of particle depends upon the factor

The nucleus left after the emission of some radiation is called:

Mass of proton is

In his experiment on nuclear reactions, Rutherford bombardedα particles on:

Neutron was suggested to be in the nucleus by:

Structure of the nucleus was explained by

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 21 Nuclear Physics MCQs Online With Answers

Set 1

Set 2

Set 3

Set 4

Set 5

Topic Test

Top Scorers Of ECAT Pre General Science Physics Chapter 21 Nuclear Physics MCQ`s Test

ECAT Physics Chapter 21 Important MCQ's

Test Questions

Is this page helpful?

Share your comments & questions here