ECAT Pre Computer Science Chapter 21 MCQ Test With Answer

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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ECAT Physics Chapter 21 Nuclear Physics

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Question # 1

The most abundant isotope of neon is

Question # 2

The range of particle depends upon the factor

Question # 3

Referring to the above figure, the binding energy per nucleon increases upto mass number equal to:

Question # 4

Alfa particles are

Question # 5

The isotope/s of hydrogen is /are:

Question # 6

The energy acquired by a mass of 1g moving with the speed of light is

Question # 7

Heavy water is made of one oxygen atom and two atoms of:

Question # 8

For an atom having atomic number Z and atomic weight A, the number of electron in an atoms

Question # 9

The figure 1.007276μ shows the mass of an:

Question # 10

In wilson cloud chamber, the air becomes saturated with:

Question # 11

During the nuclear changes, the law/s of conservation that hold/s are that of:

Question # 12

Three quarks make:

Question # 13

Mass of proton is of order of

Question # 14

Neutron was discovered by

Question # 15

Phenomenon of radioactivity is due to disintegration of

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ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 Radioactivity was discovered by:
A. Becquerel
B. Marie curie
C. Pierre curie
D. All of them
2 Heavy water is made of one oxygen atom and two atoms of:
A. Protium
B. Deuterium
C. Tritium
D. Any of these
3 Examples of moderators used in a fission reactor is/are:
A. Water
B. Heavy water
C. Carbon
D. Hydrocarbon
4 A particle having the mass of electron and charge of a proton is called a
A. photon
B. position
C. antiproton
D. antineutrino
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 Structure of the nucleus was explained by
A. J.J Thomson
B. Bohr
C. Millikan
D. Rutherford
7 Charge on proton is
A. 1.59 x 10-9C
B. 1.59 x 10-7C
C. -1.59 x 10-19 C
D. 1.59 x 10-19C
8 U-238 present in the natural uranium is about:
A. 59%
B. 0.007%
C. 99%
D. 39%
9 The reciprocal of decay constant λ of a radioactive material is:
A. Frequency
B. Half life
C. Year
D. Mean life
10 Radiation detector are used to
A. measure intensity of radiation
B. measure energy of radiation
C. difference between different types of radiation
D. all the above

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