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
1 amu is equal to
Question # 2
The nucleus/nuclei of hydrogen is/are:
Question # 3
Proton was discovered by Rutherford in
Question # 4
An alpha particle has a charge of
Question # 5
Alfa particles are
Question # 6
Curie is a unit of
Question # 7
A particle having the mass of electron and charge of a proton is called a
Question # 8
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 # 9
When thorium nucleus emits aβ-particle, the daughter nucleus is called:
Question # 10
Electrons are
Question # 11
The rate of decay of radioactive substance
Question # 12
The chemical properties of an element depends upon the number of
Question # 13
Which of the following material has longer half life
Question # 14
Maric Curie and Pieree Curie discovered two new radioactive elements, which are called
Question # 15
Charge on proton is
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 | According to Rutherford atomic model, the positive charge in an atom |
A. is concentrated at its centre
B. is in the form of positive electron at same distance from its centre
C. is spread uniformly through its volume
D. none of these
|
| 2 | Rate of decay is actually described by. |
A. Half line
B. Decay constant
C. Mean life
D. Total life
|
| 3 | When certain nucleus emits anα particle, its mass number: |
A. Increases by one
B. Decreases by one
C. Remain same
D. Decreases by four
|
| 4 | Radioactivity was discovered by |
A. Rutherford
B. Henri Becqureal
C. Maxwell
D. James Chadwick
|
| 5 | The most abundant isotope of neon is |
A. neon-20
B. neon-21
C. neon-22
D. neon-23
|
| 6 | In his experiment on nuclear reactions, Rutherford bombardedα particles on: |
A. Nitrogen
B. Hydrogen
C. Lead
D. Oxygen
|
| 7 | Which are not the elementary particles? |
A. Photons
B. Leptons
C. Hadrons
D. Quarks
|
| 8 | The energy acquired by a mass of 1g moving with the speed of light is |
A. 3 x 108J
B. 9 x 1013J
C. 3 x 1013J
D. 9 x 1016J
|
| 9 | Curie is a unit of |
A. reluctance
B. resistivity
C. binding energy
D. radioactivity
|
| 10 | γ-rays behave like a particle because they explain the |
A. Compton effect
B. Photoelectric effect
C. Pair-production
D. all the above
|
Test Questions
Share your comments & questions here
alishba rasheed
03 Mar 2018easy mcqs