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

Neutron was suggested to be in the nucleus by:

Question # 2

Nucleus of a hydrogen atom may contain:

Question # 3

Fraction of the decaying atoms per unit time is called

Question # 4

For Protium, the mass defect is:

Question # 5

1 amu is equal to

Question # 6

Which of the following material has smaller has life

Question # 7

Marie curie and Pierre curie discovered:

Question # 8

Rate of decay is actually described by.

Question # 9

After alpha decay the atomic number of the atom

Question # 10

The rate of decay of a radioactive substance

Question # 11

A mass spectrograph sort out

Question # 12

Which of these is not a radiation detector

Question # 13

The number of isotopes of hydrogen are

Question # 14

The number if neutrons in the nucleus of 92U235are

Question # 15

Curie is a unit of

Question # 16

Beta particles are

Question # 17

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

Question # 18

The time required for a radioactive material to decrease in active by one half is called

Question # 19

Radium was discovered by:

Question # 20

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

Question # 21

Nuclei that have the same charge number but different mass number are called

Question # 22

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

Question # 23

Binding energy per nucleus is

Question # 24

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

Question # 25

The distance travelled byα-particle in a medium before coming to rest, is called

Question # 26

The figure 1.007276μ shows the mass of an:

Question # 27

The penetration power ofβ-particle is

Question # 28

Electrons are

Question # 29

The range of particle depends upon the factor

Question # 30

Phenomenon of radioactivity is due to disintegration 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 emission of radiations take place in elements, having charge number greater than
A. 109
B. 82
C. 69
D. 52
2 Radioactivity was discovered by:
A. Becquerel
B. Marie curie
C. Pierre curie
D. All of them
3 The most abundant isotope of neon is
A. neon-20
B. neon-21
C. neon-22
D. neon-23
4 In radio-active decay, the original element which disintegrate to another element is called
A. element
B. daughter element
C. parent element
D. none of these
5 Which are not the elementary particles?
A. Photons
B. Leptons
C. Hadrons
D. Quarks
6 When certain nucleus emits anα particle, its mass number:
A. Increases by one
B. Decreases by one
C. Remain same
D. Decreases by four
7 Radium was discovered by:
A. Becquerel
B. Marie curie
C. Pierre curie
D. Rutherford
8 The range of particle depends upon the factor
A. charge, mass and energy of particle
B. density of medium
C. ionization potential of the atoms
D. all the above
9 Which of the following material has smaller has life
A. uranium
B. polonium
C. radium
D. radian
10 β-particles are easily deflected by collisions than heavy
A. α-particles
B. β-particles
C. γ-particles
D. none of these

Test Questions