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	Radiation detector are used to	A. measure intensity of radiation B. measure energy of radiation C. difference between different types of radiation D. all the above
2	γ-rays behave like a particle because they explain the	A. Compton effect B. Photoelectric effect C. Pair-production D. all the above
3	Pair production take place when energy ofγ-rays photon is	A. equal to 1.02 Mev- B. greater than 1.02 Mev C. less than 1.02 Mev D. none of these
4	The distance travelled byα-particle in a medium before coming to rest, is called	A. range ofγ-particle B. range of neutrons C. range of particle D. none of these
5	The chemical behaviour of an atom is determined by	A. binding energy B. atomic number C. mass number D. number of isotopes
6	The half life of uranium-238 is	A. 6.2 x 10⁹years B. 4.5 x 10⁹days C. 4.5 x 10⁹years D. 1.3 x 10⁶years
7	Maric Curie and Pieree Curie discovered two new radioactive elements, which are called	A. polonium uranium B. uranium and radium C. polonium and radium D. none of these
8	Structure of the nucleus was explained by	A. J.J Thomson B. Bohr C. Millikan D. Rutherford
9	The figure 1.007276μ shows the mass of an:	A. Atom B. Positron C. Electron D. Neutron
10	A curie represents a very strong source of	A. α-particle B. β-particle C. γ-particle D. none of these

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

Radium was discovered by:

The half lie of radium-226 is

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

The chemical behaviour of an atom is determined by

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

The nucleus/nuclei of hydrogen is/are:

Alfa particles are

If a nucleus emits an alpha particle, its mass number decreases by 4 while charge number decreased by

1 amu is equal to.

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

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

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

Maric Curie and Pieree Curie discovered two new radioactive elements, which are called

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

An alpha particle has a charge of

Fraction of the decaying atoms per unit time is called

For Protium, the mass defect is:

The isotope/s of hydrogen is /are:

U-238 present in the natural uranium is about:

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

Mass of proton is

The half life of uranium-238 is

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

Alfa , beta and gamma rays are emitted from a radio-active substance

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

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

Nucleus consists of

Which of the following material has longer half life

During the nuclear changes, the law/s of conservation that hold/s are that of:

Beta particles are

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