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

Which of these is not a radiation detector

Question # 2

Beta particles are

Question # 3

In radioactive decay, the new element which is formed due to the disintegration of original element is called

Question # 4

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

Question # 5

The number of protons inside a nucleus is called

Question # 6

Gamma rays consist of steam of

Question # 7

Nucleon means:

Question # 8

Curie is a unit of

Question # 9

Which of the following material has smaller has life

Question # 10

Mass of neutron is

Question # 11

The diameter of an atom is of the order

Question # 12

Neutrons are

Question # 13

Mass of proton is

Question # 14

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

Question # 15

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

Question # 16

Which of the following material has longer half life

Question # 17

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

Question # 18

Alfa particles are

Question # 19

γ-rays are

Question # 20

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

Question # 21

Binding energy per nucleus is

Question # 22

The penetration power ofβ-particle is

Question # 23

The most abundant isotope of neon is

Question # 24

In wilson cloud chamber, the air becomes saturated with:

Question # 25

In radio-active decay, the original element which disintegrate to another element is called

Question # 26

The range of particle depends upon the factor

Question # 27

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

Question # 28

Referring to the above figure, we can say that of all the elements, the most stable element is

Question # 29

Radioactivity was discovered by:

Question # 30

Charge on neutron is

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 When a charged particle passes through matter, it produces ionization, this effect is used in
A. fission reaction
B. reactor
C. radiation detector
D. fusion reaction
2 Which of these is not a radiation detector
A. Wilson cloud chamber
B. cyclotron acceleration
C. Geiger Miller counter
D. solid state detector
3 In 1932 Chadwick discovered
A. proton
B. neutron
C. photon
D. electron
4 β-particles are easily deflected by collisions than heavy
A. α-particles
B. β-particles
C. γ-particles
D. none of these
5 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
6 The penetration power ofβ-particle is
A. zero
B. less thanα-particle
C. equal toα-particle
D. greater thanα-particle
7 An alpha particle has a charge of
A. +2e
B. -2e
C. -e
D. +3e
8 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
9 Gamma rays consist of steam of
A. electron
B. proton
C. photons
D. all of these
10 Radioactivity
A. is exhibited more by semiconductors in general
B. in exhibited more by the element when they are coupled
C. with other radioactive elements by a covalent bond
D. is an atomic property of radioactive elements

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!