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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  • Time Allowed20

ECAT Physics Chapter 21 Nuclear Physics

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Question # 1

Mass of neutron is

Question # 2

Charge on proton is

Question # 3

A mass difference of 0.0012 u is equivalent to and energy of:

Question # 4

Which of the following material has longer half life

Question # 5

Maric Curie and Pieree Curie discovered two new radioactive elements, which are called

Question # 6

Which are not the elementary particles?

Question # 7

Hydrogen atom with only one proton in its nucleus, and one electron in its orbit is called

Question # 8

β-particles are easily deflected by collisions than heavy

Question # 9

The isotope/s of hydrogen is /are:

Question # 10

The diameter of an atom is of the order

Question # 11

Marie curie and Pierre curie discovered:

Question # 12

Neutron was suggested to be in the nucleus by:

Question # 13

The unit of decay constant is

Question # 14

A mass spectrograph sort out

Question # 15

Neutron was discovered by

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ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 The amount of energy equivalent to 1 a.m.u is
A. 9.315 Mev
B. 93.15 Mev
C. 931.5 Mev
D. 2.22 Mev
2 Rutherford performed an experiment on nuclear reactions in:
A. 1718 A.D
B. 1818 A.D
C. 1918 A.D
D. 2001 A.D.
3 The chemical behaviour of an atom is determined by
A. binding energy
B. atomic number
C. mass number
D. number of isotopes
4 Radioactivity is
A. self disruptive activity
B. spontaneous activity
C. exhibited by all elements under proper conditions
D. both 'a' and 'b'
5 Neutron was discovered by
A. Curie
B. Roentgen
C. Chadwick
D. Rutherford
6 1 amu is equal to
A. 1.66 x 10-24kg
B. 1.66 x 10-19kg
C. 1.66 x 10-34kg
D. 1.66 x 10-27kg
7 A pair of quark and antiquark makes a:
A. Meson
B. Baryon
C. Proton
D. Neutron
8 The unit of decay constant is:
A. Second
B. Metre
C. Hour
D. Year
9 Mass of neutron is
A. 1.67 x 10-31kg
B. 1.67 x 10-27kg
C. 9.1 x 10-31kg
D. 1.67 x 10-19kg
10 The isotope/s of hydrogen is /are:
A. Protium
B. Deuterium
C. Tritium
D. Both (A) and (B)

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