ECAT Pre General Science Physics Chapter 21 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 21 Nuclear Physics

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 21 Nuclear Physics

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 21 Nuclear Physics

00:00
Question # 1

Nucleus of a hydrogen atom may contain:

Question # 2

Different radioactive material have

Question # 3

The number of protons inside a nucleus is called

Question # 4

The counter, which also provides the power to the G.M. tube is called:

Question # 5

Three quarks make:

Question # 6

Neutron was discovered by

Question # 7

The number if neutrons in the nucleus of 92U235are

Question # 8

How many isotopes of helium are present?

Question # 9

The nuclei of an element having the same charge number but different mass numbers are called:

Question # 10

The range ofβ-particle in air is greater than that ofα-particle by

Question # 11

Marie curie and Pierre curie discovered:

Question # 12

The range of particle depends upon the factor

Question # 13

The number of isotopes of hydrogen are

Question # 14

γ-rays behave like a particle because they explain the

Question # 15

1 amu is equal to.

Question # 16

The half life of radioactive substances depends upon

Question # 17

β-particles are easily deflected by collisions than heavy

Question # 18

Proton was discovered by Rutherford in

Question # 19

For an atom having atomic number Z and atomic weight A, the charge on the nucleus is

Question # 20

A particle having the mass of electron and charge of a proton is called a

Question # 21

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

Question # 22

When radioactive nucleus emits aβ-particle, the proton-neutron ratio

Question # 23

The half lie of radium-226 is

Question # 24

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

Question # 25

Which are not the elementary particles?

Question # 26

The chemical behaviour of an atom is determined by

Question # 27

The chemical properties of all the isotopes of an elements are

Question # 28

Which of the following material has smaller has life

Question # 29

In his experiment on nuclear reactions, Rutherford bombardedα particles on:

Question # 30

When certain nucleus emits aβ-particles, is mass number:

Submit

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 21 Nuclear Physics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Pre General Science Physics Chapter 21 Nuclear Physics MCQ`s Test

  • L
    LAVANYA 31 - May - 2018 04 Min 45 Sec 110/120
  • U
    Ukasha Rana 29 - Apr - 2022 10 Min 50 Sec 100/120
  • G
    Gorak Danda 24 - Jun - 2024 08 Min 03 Sec 80/120
  • H
    haseeb 12 - Sep - 2021 07 Min 18 Sec 65/120
  • C
    Ch Iftihar 25 - Jan - 2022 07 Min 34 Sec 65/120
  • A
    Aleem Tahir 20 - Apr - 2021 10 Min 50 Sec 65/120
  • H
    Hamza Mukhtair 14 - Jul - 2022 06 Min 35 Sec 50/120
  • I
    ifrah Sheerazi 24 - Jun - 2021 10 Min 50 Sec 50/120
  • U
    umar 12 - Aug - 2021 10 Min 50 Sec 45/120
  • N
    Neha Khan 02 - Dec - 2021 10 Min 50 Sec 40/120
  • F
    Faisal Mehrban 22 - Jun - 2021 10 Min 50 Sec 40/120
  • S
    Sýèd Zàhàd 24 - Jun - 2022 10 Min 50 Sec 30/120
  • S
    Sami Saleem 23 - May - 2023 10 Min 50 Sec 25/120
  • F
    Faraz Ahmad 06 - May - 2021 10 Min 50 Sec 15/120
  • M
    Malik Farhan 23 - May - 2021 07 Min 32 Sec 10/120

ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 Beta particles are
A. hydrogen nuclei
B. helium nuclei
C. electrons
D. photons
2 A particle having the mass of electron and charge of a proton is called a
A. photon
B. position
C. antiproton
D. antineutrino
3 Curie is a unit of
A. reluctance
B. resistivity
C. binding energy
D. radioactivity
4 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
5 Radioactivity was discovered by
A. Rutherford
B. Henri Becqureal
C. Maxwell
D. James Chadwick
6 Radioactivity was discovered by:
A. Becquerel
B. Marie curie
C. Pierre curie
D. All of them
7 For an atom having atomic number Z and atomic weight A, the number of electron in an atoms
A. A - Z
B. A + Z
C. Z
D. A
8 Neutron was discovered in
A. 1915
B. 1920
C. 1925
D. 1932
9 Structure of the nucleus was explained by
A. J.J Thomson
B. Bohr
C. Millikan
D. Rutherford
10 In wilson cloud chamber, the air becomes saturated with:
A. Alcohol vapours
B. Water
C. Helium gas
D. Nitrogen gas

Test Questions