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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
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 21 Nuclear Physics
00:00
Question # 1
For Protium, the mass defect is:
Question # 2
The rate of decay of a radioactive substance
Question # 3
Examples of moderators used in a fission reactor is/are:
Question # 4
The half life of radioactive substances depends upon
Question # 5
Which of the following material has smaller has life
Question # 6
The rate of decay of radioactive substance
Question # 7
Radioactivity
Question # 8
The energy is found from Einstein's mass energy relation is called
Question # 9
In radioactive decay, the new element which is formed due to the disintegration of original element is called
Question # 10
Mass of proton is
Question # 11
The penetration power ofβ-particle is
Question # 12
The counter, which also provides the power to the G.M. tube is called:
Question # 13
If 'V' is the relativistic speed and 'C' is the speed of light then according to Einstien the factor V/C must always be
Question # 14
The missing mass which is converted to energy in the formation of nucleus, is called
Question # 15
Which of these is not a radiation detector
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
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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 -
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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
ECAT Physics Chapter 21 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | A mass spectrograph sort out |
A. molecules
B. atoms
C. elements
D. isotopes
|
| 2 | The range ofβ-particle in air is greater than that ofα-particle by |
A. 1000 times
B. 100 times
C. 15 times
D. 10 times
|
| 3 | The chemical properties of an element depends upon the number of |
A. electron
B. position
C. photons
D. neutrons
|
| 4 | Beta particles are |
A. hydrogen nuclei
B. helium nuclei
C. electrons
D. photons
|
| 5 | The nucleus left after the emission of some radiation is called: |
A. Parent nucleus
B. Daughter necleus
C. Mother necleus
D. Any of these
|
| 6 | Alfa , beta and gamma rays are emitted from a radio-active substance |
A. spontaneously
B. when it is heated
C. when it is exposed to light
D. When it interacts with the other particle
|
| 7 | The chemical behaviour of an atom is determined by |
A. binding energy
B. atomic number
C. mass number
D. number of isotopes
|
| 8 | The unit of decay constant is |
A. sex
B. sec2
C. sec-1
D. sec-2
|
| 9 | How much time, theα-particle more massive than an electron |
A. 600
B. 7000
C. 5000
D. 15000
|
| 10 | Which of the following material has longer half life |
A. radium
B. polonium
C. radium
D. uranium
|
Test Questions
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alishba rasheed
03 Mar 2018easy mcqs