Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
.gif)
MCQ's Test For ECAT Physics Chapter 21 Nuclear Physics
Try The MCQ's Test For ECAT Physics Chapter 21 Nuclear Physics
-
Total Questions15
-
Time Allowed20
ECAT Physics Chapter 21 Nuclear Physics
00:00
Question # 1
The rate of decay of radioactive substance
Question # 2
Rate of decay is actually described by.
Question # 3
Which of these is not a radiation detector
Question # 4
Alfa , beta and gamma rays are emitted from a radio-active substance
Question # 5
When thorium nucleus emits aβ-particle, the daughter nucleus is called:
Question # 6
When a charged particle passes through matter, it produces ionization, this effect is used in
Question # 7
The chemical properties of an element depends upon the number of
Question # 8
The energy is found from Einstein's mass energy relation is called
Question # 9
In his experiment on nuclear reactions, Rutherford bombardedα particles on:
Question # 10
The most abundant isotope of neon is
Question # 11
The half lie of radium-226 is
Question # 12
Neutron was suggested to be in the nucleus by:
Question # 13
Maric Curie and Pieree Curie discovered two new radioactive elements, which are called
Question # 14
Which of the following material has longer half life
Question # 15
A pair of quark and antiquark makes a:
Prepare Complete Set Wise ECAT Physics Chapter 21 Nuclear Physics MCQs Online With Answers
Top Scorers Of ECAT Physics Chapter 21 Nuclear Physics MCQ`s Test
-
H Heer 06 - Jan - 2024 00 Min 51 Sec 60/60 -
M maha dhedhi 29 - Jul - 2022 00 Min 52 Sec 60/60 -
B Bushra Rehmat 14 - Jul - 2023 02 Min 07 Sec 60/60 -
M Mian House 31 - May - 2024 02 Min 30 Sec 55/60 -
M Muhammad Iftikhar 17 - Mar - 2023 02 Min 38 Sec 55/60 -
A Abdullah Baloch 10 - Aug - 2024 03 Min 56 Sec 55/60 -
M Mohsin iftikhar 09 - Mar - 2024 08 Min 35 Sec 55/60 -
M Muhammad Zia 28 - Mar - 2026 11 Min 05 Sec 52/60 -
S Sana Hashim 23 - May - 2022 01 Min 50 Sec 50/60 -
A Ali Jaan 15 - Apr - 2022 01 Min 47 Sec 45/60 -
M Muqadas Zahra 14 - Apr - 2022 04 Min 33 Sec 45/60 -
O omer attique 14 - Mar - 2023 02 Min 00 Sec 40/60 -
T tehreemnadeem 12 - Jul - 2022 02 Min 13 Sec 40/60 -
H Hamza Nawaz 05 - Jun - 2024 02 Min 42 Sec 40/60 -
A asma 19 - Aug - 2024 02 Min 46 Sec 40/60
ECAT Physics Chapter 21 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Nucleus consists of |
A. proton and neutron
B. protons and electron
C. electron and neutron
D. protons only
|
| 2 | Which are not the elementary particles? |
A. Photons
B. Leptons
C. Hadrons
D. Quarks
|
| 3 | Charge on neutron is |
A. 1.6 x 10-19C
B. zero
C. -1.6 x 10-19C
D. 1.2 x 10-19C
|
| 4 | The missing mass which is converted to energy in the formation of nucleus, is called |
A. packing fraction
B. mass defect
C. binding energy
D. none of these
|
| 5 | The emission of radiations take place in elements, having charge number greater than |
A. 109
B. 82
C. 69
D. 52
|
| 6 | Heavy water is made of one oxygen atom and two atoms of: |
A. Protium
B. Deuterium
C. Tritium
D. Any of these
|
| 7 | The half life of radioactive substances depends upon |
A. amount of substance
B. energy of substance
C. state of substance
D. temperature of substance
|
| 8 | For Protium, the mass defect is: |
A. Infinite
B. Zero
C. Very large
D. A few grams
|
| 9 | The unit of decay constant is |
A. sex
B. sec2
C. sec-1
D. sec-2
|
| 10 | Nucleus of a hydrogen atom may contain: |
A. One neutron only
B. Two protons and one neutron
C. Two protons and two neutrons
D. Aany of above
|
Test Questions
Share your comments & questions here
No comments yet. Be the first to comment!