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MCQ's Test For ECAT Physics Chapter 21 Nuclear Physics
Try The MCQ's Test For ECAT Physics Chapter 21 Nuclear Physics
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 21 Nuclear Physics
00:00
Question # 1
When a charged particle passes through matter, it produces ionization, this effect is used in
Question # 2
Neutrons are
Question # 3
The number of all the protons and neutrons in a nucleus is known as
Question # 4
According to Rutherford atomic model, the positive charge in an atom
Question # 5
Radioactivity was discovered by:
Question # 6
The range ofβ-particle in air is greater than that ofα-particle by
Question # 7
The counter, which also provides the power to the G.M. tube is called:
Question # 8
The energy is found from Einstein's mass energy relation is called
Question # 9
Which of the following material has smaller has life
Question # 10
The most abundant isotope of neon is
Question # 11
The nucleus left after the emission of some radiation is called:
Question # 12
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 # 13
The nuclei of an element having the same charge number but different mass numbers are called:
Question # 14
A pair of quark and antiquark makes a:
Question # 15
Radioactivity
Prepare Complete Set Wise ECAT Physics Chapter 21 Nuclear Physics MCQs Online With Answers
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ECAT Physics Chapter 21 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Mass of proton is |
A. 1.67 x 10-27kg
B. 1.67 x 10-31kg
C. 1.66 x 10-34kg
D. 1.67 x 10-17kg
|
| 2 | Radioactivity is |
A. self disruptive activity
B. spontaneous activity
C. exhibited by all elements under proper conditions
D. both 'a' and 'b'
|
| 3 | Examples of moderators used in a fission reactor is/are: |
A. Water
B. Heavy water
C. Carbon
D. Hydrocarbon
|
| 4 | The nucleus/nuclei of hydrogen is/are: |
A. Proton
B. Deuteron
C. Triton
D. All of these
|
| 5 | Which of these is not a radiation detector |
A. Wilson cloud chamber
B. cyclotron acceleration
C. Geiger Miller counter
D. solid state detector
|
| 6 | 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
|
| 7 | U-238 present in the natural uranium is about: |
A. 59%
B. 0.007%
C. 99%
D. 39%
|
| 8 | The unit of decay constant is |
A. sex
B. sec2
C. sec-1
D. sec-2
|
| 9 | Neutrons are |
A. positive charge
B. negatively charged
C. massless
D. neutral
|
| 10 | The isotope/s of hydrogen is /are: |
A. Protium
B. Deuterium
C. Tritium
D. Both (A) and (B)
|
Test Questions