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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
Radioactivity was discovered by:
Question # 2
The energy acquired by a mass of 1g moving with the speed of light is
Question # 3
Neutron was suggested to be in the nucleus by:
Question # 4
A curie represents a very strong source of
Question # 5
Which of the following material has smaller has life
Question # 6
Which are not the elementary particles?
Question # 7
The amount of energy equivalent to 1 a.m.u is
Question # 8
The nucleus/nuclei of hydrogen is/are:
Question # 9
Mass of proton is of order of
Question # 10
Heavy water is made of one oxygen atom and two atoms of:
Question # 11
The number of isotopes of hydrogen are
Question # 12
The total charge of any nucleus is given as
Question # 13
In his experiment on nuclear reactions, Rutherford bombardedα particles on:
Question # 14
Electrons are
Question # 15
When radioactive nucleus emits aβ-particle, the proton-neutron ratio
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ECAT Physics Chapter 21 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | If 'V' is the relativistic speed and 'C' is the speed of light then according to Einstien the factor V/C must always be |
A. Equal to 1
B. Less than 1
C. Greater than 1
D. Infinity
|
| 2 | Proton was discovered by Rutherford in |
A. 1915
B. 1906
C. 1910
D. 1920
|
| 3 | Hydrogen atom with only one proton and one neutron in its nucleus, and one electron, is called |
A. deuterium
B. protium
C. tritium
D. none of these
|
| 4 | There is present in paraffin a large amount of: |
A. Nitrogen
B. Hydrogen
C. Carbon
D. Baryllium
|
| 5 | Neutron was disvovered by: |
A. Rutherford in 1920
B. Chadwick in 1922
C. Bohr in 1913
D. Compton in 1927
|
| 6 | The penetration power ofβ-particle is |
A. zero
B. less thanα-particle
C. equal toα-particle
D. greater thanα-particle
|
| 7 | Nuclei that have the same charge number but different mass number are called |
A. isotones
B. isomers
C. isotopes
D. isobars
|
| 8 | The number of isotopes of hydrogen are |
A. 2
B. 1
C. 3
D. 4
|
| 9 | The chemical properties of all the isotopes of an elements are |
A. same
B. different
C. slightly different
D. none of these
|
| 10 | γ-rays behave like a particle because they explain the |
A. Compton effect
B. Photoelectric effect
C. Pair-production
D. all the above
|
Test Questions
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alishba rasheed
03 Mar 2018easy mcqs