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	Phenomenon of radioactivity is due to disintegration of	A. nucleus B. neutron C. proton D. molecule
2	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
3	The rate of decay of a radioactive substance	A. decrease exponentially with time B. decreases linearly with time C. increases linearly with time D. increases exponentially with time
4	Charge on proton is	A. 1.59 x 10^-9C B. 1.59 x 10^-7C C. -1.59 x 10^-19C D. 1.59 x 10^-19C
5	Binding energy per nucleus is	A. greater for heavy nucleus B. least for heavy nucleus C. greatest for light nuclei D. decreases for medium weight niclei
6	Neutron was discovered by	A. Curie B. Roentgen C. Chadwick D. Rutherford
7	The range ofβ-particle in air is greater than that ofα-particle by	A. 1000 times B. 100 times C. 15 times D. 10 times
8	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
9	Nucleus consists of	A. proton and neutron B. protons and electron C. electron and neutron D. protons only
10	γ-rays are	A. electrostatic waves B. electromagnetic waves C. heavy particles D. longitudinal waves

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

U-238 present in the natural uranium is about:

When a nucleus emits an alpha particles, its charge number decreases by

When a charged particle passes through matter, it produces ionization, this effect is used in

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

The number of all the protons and neutrons in a nucleus is known as

For an atom having atomic number 'Z' and atomic weight 'A', the number of neutrons in the nucleous is

The unit of decay constant is:

Rutherford performed an experiment on nuclear reactions in:

γ-rays are

The counter, which also provides the power to the G.M. tube is called:

The range ofβ-particle in air is greater than that ofα-particle by

The chemical properties of an element depends upon the number of

When certain nucleus emits anα particle, its mass number:

The energy acquired by a mass of 1g moving with the speed of light is

The mass of the nucleus is always less than the total man of the protons and neutron that make up the nucleus. The difference of the two masses is called

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

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

Binding energy per nucleus is

Curie is a unit of

How many isotopes of helium are present?

Pair production take place when energy ofγ-rays photon is

Which of the following material has longer half life

Beta particles are

The figure 1.007276μ shows the mass of an:

The number of isotopes of hydrogen are

The emission of radiations take place in elements, having charge number greater than

The range of particle depends upon the factor

The half lie of radium-226 is

A mass difference of 0.0012 u is equivalent to and energy of:

A pair of quark and antiquark makes a:

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