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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
A mass difference of 0.0012 u is equivalent to and energy of:
Question # 2
Mass of neutron is
Question # 3
Hydrogen atom with only one proton and one neutron in its nucleus, and one electron, is called
Question # 4
In radioactive decay, the new element which is formed due to the disintegration of original element is called
Question # 5
Marie curie and Pierre curie discovered:
Question # 6
Rutherford performed an experiment on nuclear reactions in:
Question # 7
The rate of decay of a radioactive substance
Question # 8
When a charged particle passes through matter, it produces ionization, this effect is used in
Question # 9
When certain nucleus emits aβ-particles, is mass number:
Question # 10
Pair production take place when energy ofγ-rays photon is
Question # 11
In 1932 Chadwick discovered
Question # 12
Nucleon means:
Question # 13
The most abundant isotope of neon is
Question # 14
γ-rays behave like a particle because they explain the
Question # 15
In radio-active decay, the original element which disintegrate to another element is called
Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 21 Nuclear Physics MCQs Online With Answers
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R Rahimsiddiqui Siddiqui 04 - Jul - 2024 00 Min 06 Sec 60/60 -
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ECAT Physics Chapter 21 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The energy acquired by a mass of 1g moving with the speed of light is |
A. 3 x 108J
B. 9 x 1013J
C. 3 x 1013J
D. 9 x 1016J
|
| 2 | Hydrogen atom with only one proton in its nucleus, and one electron in its orbit is called |
A. deuteron
B. deterium
C. protium
D. tritium
|
| 3 | 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
|
| 4 | The figure 1.007276μ shows the mass of an: |
A. Atom
B. Positron
C. Electron
D. Neutron
|
| 5 | Neutron was disvovered by: |
A. Rutherford in 1920
B. Chadwick in 1922
C. Bohr in 1913
D. Compton in 1927
|
| 6 | How many isotopes of helium are present? |
A. 1
B. 2
C. 3
D. 4
|
| 7 | The isotope/s of hydrogen is /are: |
A. Protium
B. Deuterium
C. Tritium
D. Both (A) and (B)
|
| 8 | According to Rutherford atomic model, the positive charge in an atom |
A. is concentrated at its centre
B. is in the form of positive electron at same distance from its centre
C. is spread uniformly through its volume
D. none of these
|
| 9 | The penetration power ofβ-particle is |
A. zero
B. less thanα-particle
C. equal toα-particle
D. greater thanα-particle
|
| 10 | Radioactivity was discovered by |
A. Rutherford
B. Henri Becqureal
C. Maxwell
D. James Chadwick
|
Test Questions
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alishba rasheed
03 Mar 2018easy mcqs