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

Nucleon means:

Question # 2

Radioactivity is

Question # 3

γ-rays behave like a particle because they explain the

Question # 4

Examples of moderators used in a fission reactor is/are:

Question # 5

Which of the following material has longer half life

Question # 6

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

Question # 7

The half lie of radium-226 is

Question # 8

When certain nucleus emits anα particle, its mass number:

Question # 9

The unit of decay constant is

Question # 10

Nucleus of a hydrogen atom may contain:

Question # 11

The chemical properties of all the isotopes of an elements are

Question # 12

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

Question # 13

There is present in paraffin a large amount of:

Question # 14

For Protium, the mass defect is:

Question # 15

Which of these is not a radiation detector

Question # 16

Neutrons are

Question # 17

When a charged particle passes through matter, it produces ionization, this effect is used in

Question # 18

Proton was discovered by Rutherford in

Question # 19

Which are not the elementary particles?

Question # 20

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

Question # 21

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

Question # 22

Binding energy per nucleus is

Question # 23

How much time, theα-particle more massive than an electron

Question # 24

In wilson cloud chamber, the air becomes saturated with:

Question # 25

Neutron was suggested to be in the nucleus by:

Question # 26

Beta particles are

Question # 27

The amount of energy equivalent to 1 a.m.u is

Question # 28

1 amu is equal to

Question # 29

The reciprocal of decay constant λ of a radioactive material is:

Question # 30

The chemical properties of an element depends upon the number of

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 The missing mass which is converted to energy in the formation of nucleus, is called
A. packing fraction
B. mass defect
C. binding energy
D. none of these
2 Mass of proton is of order of
A. 10-31gm
B. 10-27kg
C. 10-24gm
D. 10+27kg
3 Neutron was disvovered by:
A. Rutherford in 1920
B. Chadwick in 1922
C. Bohr in 1913
D. Compton in 1927
4 Radioactivity was discovered by
A. Rutherford
B. Henri Becqureal
C. Maxwell
D. James Chadwick
5 Referring to the above figure, we can say that of all the elements, the most stable element is
A. Phosphours
B. Iron
C. uranium
D. Lithium
6 Marie curie and Pierre curie discovered:
A. Uranium
B. Polonium
C. Radium
D. Both (A) and (C)
7 The chemical properties of an element depends upon the number of
A. electron
B. position
C. photons
D. neutrons
8 The emission of radiations take place in elements, having charge number greater than
A. 109
B. 82
C. 69
D. 52
9 Radioactivity was discovered by:
A. Becquerel
B. Marie curie
C. Pierre curie
D. All of them
10 Electrons are
A. positive charged
B. negatively charged
C. massless
D. neutral

Test Questions