Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
.jpg)
MCQ's Test For Physics ECAT Pre Engineering Chapter 21 Nuclear Physics
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 21 Nuclear Physics
-
Total Questions15
-
Time Allowed20
Physics ECAT Pre Engineering Chapter 21 Nuclear Physics
00:00
Question # 1
The half life of radioactive substances depends upon
Question # 2
The distance travelled byα-particle in a medium before coming to rest, is called
Question # 3
Which of these is not a radiation detector
Question # 4
The rate of decay of radioactive substance
Question # 5
Neutron was discovered in
Question # 6
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
Question # 7
The total charge of any nucleus is given as
Question # 8
Different radioactive material have
Question # 9
Examples of moderators used in a fission reactor is/are:
Question # 10
Fraction of the decaying atoms per unit time is called
Question # 11
A pair of quark and antiquark makes a:
Question # 12
Alfa , beta and gamma rays are emitted from a radio-active substance
Question # 13
For an atom having atomic number Z and atomic weight A, the charge on the nucleus is
Question # 14
The rate of decay of a radioactive substance
Question # 15
Which are not the elementary particles?
Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 21 Nuclear Physics MCQs Online With Answers
Top Scorers Of Physics ECAT Pre Engineering Chapter 21 Nuclear Physics MCQ`s Test
-
A Amjad Ali 25 - Dec - 2024 00 Min 04 Sec 60/60 -
R Rahimsiddiqui Siddiqui 04 - Jul - 2024 00 Min 06 Sec 60/60 -
M Muhammad 24 - May - 2024 00 Min 09 Sec 60/60 -
F Farzand Shah Farzand Shah 31 - May - 2024 00 Min 41 Sec 60/60 -
B Bilal Javed 02 - Jun - 2024 01 Min 48 Sec 60/60 -
M M Umer Arain 28 - Dec - 2024 00 Min 06 Sec 55/60 -
A Abdul Samad 03 - Jun - 2024 01 Min 56 Sec 50/60 -
S Sammad Ali 30 - May - 2024 02 Min 33 Sec 50/60 -
M Malaika Waqar 20 - Apr - 2024 03 Min 12 Sec 50/60 -
U umaima mubashar 31 - May - 2024 05 Min 21 Sec 50/60 -
Z Zargaii 92 28 - May - 2024 03 Min 56 Sec 45/60 -
A Abdullah Sadakat Ali 27 - May - 2024 05 Min 03 Sec 45/60 -
A Ayan Khan 09 - Aug - 2024 01 Min 58 Sec 40/60 -
M Muhammad Haseeb 25 - Nov - 2024 02 Min 17 Sec 40/60 -
A Abdullah Kaleem 25 - Mar - 2024 04 Min 17 Sec 40/60
ECAT Physics Chapter 21 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Neutron was discovered in |
A. 1915
B. 1920
C. 1925
D. 1932
|
| 2 | The total charge of any nucleus is given as |
A. Ze2
B. Z2e
C. Z/e
D. Ze
|
| 3 | Marie curie and Pierre curie discovered: |
A. Uranium
B. Polonium
C. Radium
D. Both (A) and (C)
|
| 4 | Hydrogen atom with only one proton and one neutron in its nucleus, and one electron, is called |
A. deuterium
B. protium
C. tritium
D. none of these
|
| 5 | The most abundant isotope of neon is |
A. neon-20
B. neon-21
C. neon-22
D. neon-23
|
| 6 | 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
|
| 7 | Charge on proton is |
A. 1.59 x 10-9C
B. 1.59 x 10-7C
C. -1.59 x 10-19 C
D. 1.59 x 10-19C
|
| 8 | The penetration power ofβ-particle is |
A. zero
B. less thanα-particle
C. equal toα-particle
D. greater thanα-particle
|
| 9 | Different radioactive material have |
A. same half lives
B. different half lives
C. same mean lives
D. same total lives
|
| 10 | The reciprocal of decay constant λ of a radioactive material is: |
A. Frequency
B. Half life
C. Year
D. Mean life
|
Test Questions
Share your comments & questions here
alishba rasheed
03 Mar 2018easy mcqs