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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
An alpha particle has a charge of
Question # 2
Which of the following material has smaller has life
Question # 3
Gamma rays consist of steam of
Question # 4
Fraction of the decaying atoms per unit time is called
Question # 5
For an atom having atomic number Z and atomic weight A, the charge on the nucleus is
Question # 6
Neutron was suggested to be in the nucleus by:
Question # 7
γ-rays are
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
U-238 present in the natural uranium is about:
Question # 10
In radioactive decay, the new element which is formed due to the disintegration of original element is called
Question # 11
After alpha decay the atomic number of the atom
Question # 12
Radioactivity
Question # 13
The energy acquired by a mass of 1g moving with the speed of light is
Question # 14
Nucleon means:
Question # 15
Charge on proton is
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ECAT Physics Chapter 21 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The chemical properties of an element depends upon the number of |
A. electron
B. position
C. photons
D. neutrons
|
| 2 | Referring to the above figure, we can say that of all the elements, the most stable element is |
A. Phosphours
B. Iron
C. uranium
D. Lithium
|
| 3 | A mass difference of 0.0012 u is equivalent to and energy of: |
A. 0.5 Me V
B. 1.13 MeV
C. 5.13 MeV
D. 1.13 keV
|
| 4 | Neutron was discovered in |
A. 1915
B. 1920
C. 1925
D. 1932
|
| 5 | For Protium, the mass defect is: |
A. Infinite
B. Zero
C. Very large
D. A few grams
|
| 6 | A pair of quark and antiquark makes a: |
A. Meson
B. Baryon
C. Proton
D. Neutron
|
| 7 | A curie represents a very strong source of |
A. α-particle
B. β-particle
C. γ-particle
D. none of these
|
| 8 | For an atom having atomic number Z and atomic weight A, the number of electron in an atoms |
A. A - Z
B. A + Z
C. Z
D. A
|
| 9 | Which of the following material has smaller has life |
A. uranium
B. polonium
C. radium
D. radian
|
| 10 | How much time, theα-particle more massive than an electron |
A. 600
B. 7000
C. 5000
D. 15000
|
Test Questions
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alishba rasheed
03 Mar 2018easy mcqs