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	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
2	Which of the following material has smaller has life	A. uranium B. polonium C. radium D. radian
3	The penetration power ofβ-particle is	A. zero B. less thanα-particle C. equal toα-particle D. greater thanα-particle
4	Beta particles are	A. hydrogen nuclei B. helium nuclei C. electrons D. photons
5	1 amu is equal to.	A. 1.66 x 10^-24kg B. 1.66 x 10^-19kg C. 1.66 x 10^-24kg D. 1.66 x 10^-27kg
6	Which of these is not a radiation detector	A. Wilson cloud chamber B. cyclotron acceleration C. Geiger Miller counter D. solid state detector
7	A mass spectrograph sort out	A. molecules B. atoms C. elements D. isotopes
8	The amount of energy equivalent to 1 a.m.u is	A. 9.315 Mev B. 93.15 Mev C. 931.5 Mev D. 2.22 Mev
9	γ-rays behave like a particle because they explain the	A. Compton effect B. Photoelectric effect C. Pair-production D. all the above
10	Structure of the nucleus was explained by	A. J.J Thomson B. Bohr C. Millikan D. Rutherford

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

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

The most abundant isotope of neon is

Neutron was discovered in

After alpha decay the atomic number of the atom

γ-rays behave like a particle because they explain the

Mass of proton is

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

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

In radioactive decay, the new element which is formed due to the disintegration of original element is called

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

Neutron was suggested to be in the nucleus by:

Charge on neutron is

The number of protons inside a nucleus is called

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

According to Rutherford atomic model, the positive charge in an atom

Examples of moderators used in a fission reactor is/are:

The half lie of radium-226 is

Pair production take place when energy ofγ-rays photon is

The penetration power ofβ-particle is

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

Neutron was disvovered by:

Mass of proton is of order of

The figure 1.007276μ shows the mass of an:

When a nucleus emits an alpha particle, it atomic mass decreased by

Hydrogen atom with only one proton and one neutron in its nucleus, and one electron, is called

Which of the following material has longer half life

The reciprocal of decay constant λ of a radioactive material is:

Proton was discovered by Rutherford in

Different radioactive material have

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

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

Share your comments & questions here