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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
Charge on neutron is
Question # 2
Radioactivity
Question # 3
In radio-active decay, the original element which disintegrate to another element is called
Question # 4
The most abundant isotope of neon is
Question # 5
In wilson cloud chamber, the air becomes saturated with:
Question # 6
Radioactivity is
Question # 7
The chemical properties of all the isotopes of an elements are
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
The figure 1.007276μ shows the mass of an:
Question # 11
Neutrons are
Question # 12
The range ofβ-particle in air is greater than that ofα-particle by
Question # 13
Neon gas have three isotopes whose atomic numbers are
Question # 14
γ-rays are
Question # 15
Which are not the elementary particles?
Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 21 Nuclear Physics MCQs Online With Answers
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A Abdullah Kaleem 25 - Mar - 2024 04 Min 17 Sec 40/60
ECAT Physics Chapter 21 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Mass of neutron is |
A. 1.67 x 10-31kg
B. 1.67 x 10-27kg
C. 9.1 x 10-31kg
D. 1.67 x 10-19kg
|
| 2 | The total charge of any nucleus is given as |
A. Ze2
B. Z2e
C. Z/e
D. Ze
|
| 3 | Radium was discovered by: |
A. Becquerel
B. Marie curie
C. Pierre curie
D. Rutherford
|
| 4 | The half life of uranium-238 is |
A. 6.2 x 109years
B. 4.5 x 109days
C. 4.5 x 109years
D. 1.3 x 106years
|
| 5 | The energy is found from Einstein's mass energy relation is called |
A. binding energy of electron
B. binding energy of proton
C. binding energy of neutron
D. binding energy of nucleus
|
| 6 | γ-rays are |
A. electrostatic waves
B. electromagnetic waves
C. heavy particles
D. longitudinal waves
|
| 7 | Binding energy per nucleus is |
A. greater for heavy nucleus
B. least for heavy nucleus
C. greatest for light nuclei
D. decreases for medium weight niclei
|
| 8 | An alpha particle has a charge of |
A. +2e
B. -2e
C. -e
D. +3e
|
| 9 | Different radioactive material have |
A. same half lives
B. different half lives
C. same mean lives
D. same total lives
|
| 10 | The chemical properties of an element depends upon the number of |
A. electron
B. position
C. photons
D. neutrons
|
Test Questions
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alishba rasheed
03 Mar 2018easy mcqs