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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 particle having the mass of electron and charge of a proton is called a
Question # 2
A mass difference of 0.0012 u is equivalent to and energy of:
Question # 3
Neutron was discovered by
Question # 4
The nucleus/nuclei of hydrogen is/are:
Question # 5
Gamma rays consist of steam of
Question # 6
How many isotopes of helium are present?
Question # 7
Binding energy per nucleus is
Question # 8
In radioactive decay, the new element which is formed due to the disintegration of original element is called
Question # 9
Maric Curie and Pieree Curie discovered two new radioactive elements, which are called
Question # 10
The number of isotopes of hydrogen are
Question # 11
Radiation detector are used to
Question # 12
The isotope/s of hydrogen is /are:
Question # 13
A pair of quark and antiquark makes a:
Question # 14
In his experiment on nuclear reactions, Rutherford bombardedα particles on:
Question # 15
The emission of radiations take place in elements, having charge number greater than
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ECAT Physics Chapter 21 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Neutron was discovered in |
A. 1915
B. 1920
C. 1925
D. 1932
|
| 2 | During the nuclear changes, the law/s of conservation that hold/s are that of: |
A. Charge
B. energy
C. Momentum
D. Mass
|
| 3 | Which of the following material has smaller has life |
A. uranium
B. polonium
C. radium
D. radian
|
| 4 | The time required for a radioactive material to decrease in active by one half is called |
A. half time
B. half life
C. disintegration time
D. mean life
|
| 5 | The figure 1.007276μ shows the mass of an: |
A. Atom
B. Positron
C. Electron
D. Neutron
|
| 6 | A mass spectrograph sort out |
A. molecules
B. atoms
C. elements
D. isotopes
|
| 7 | Heavy water is made of one oxygen atom and two atoms of: |
A. Protium
B. Deuterium
C. Tritium
D. Any of these
|
| 8 | U-238 present in the natural uranium is about: |
A. 59%
B. 0.007%
C. 99%
D. 39%
|
| 9 | Different radioactive material have |
A. same half lives
B. different half lives
C. same mean lives
D. same total lives
|
| 10 | A particle having the mass of electron and charge of a proton is called a |
A. photon
B. position
C. antiproton
D. antineutrino
|
Test Questions
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alishba rasheed
03 Mar 2018easy mcqs