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

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

ECAT Physics Chapter 21 Nuclear Physics

00:00
Question # 1

Different radioactive material have

Question # 2

Three quarks make:

Question # 3

The total charge of any nucleus is given as

Question # 4

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

Question # 5

Neutron was discovered by

Question # 6

β-particles are easily deflected by collisions than heavy

Question # 7

When thorium nucleus emits aβ-particle, the daughter nucleus is called:

Question # 8

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

Question # 9

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

Question # 10

There is present in paraffin a large amount of:

Question # 11

When a nucleus emits an alpha particle, it atomic mass decreased by

Question # 12

In 1932 Chadwick discovered

Question # 13

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

Question # 14

Beta particles are

Question # 15

Heavy water is made of one oxygen atom and two atoms of:

Submit

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


Topic Test

00:00
Submit

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

  • H
    Heer 06 - Jan - 2024 00 Min 51 Sec 60/60
  • M
    maha dhedhi 29 - Jul - 2022 00 Min 52 Sec 60/60
  • B
    Bushra Rehmat 14 - Jul - 2023 02 Min 07 Sec 60/60
  • M
    Mian House 31 - May - 2024 02 Min 30 Sec 55/60
  • M
    Muhammad Iftikhar 17 - Mar - 2023 02 Min 38 Sec 55/60
  • A
    Abdullah Baloch 10 - Aug - 2024 03 Min 56 Sec 55/60
  • M
    Mohsin iftikhar 09 - Mar - 2024 08 Min 35 Sec 55/60
  • S
    Sana Hashim 23 - May - 2022 01 Min 50 Sec 50/60
  • A
    Ali Jaan 15 - Apr - 2022 01 Min 47 Sec 45/60
  • M
    Muqadas Zahra 14 - Apr - 2022 04 Min 33 Sec 45/60
  • O
    omer attique 14 - Mar - 2023 02 Min 00 Sec 40/60
  • T
    tehreemnadeem 12 - Jul - 2022 02 Min 13 Sec 40/60
  • H
    Hamza Nawaz 05 - Jun - 2024 02 Min 42 Sec 40/60
  • A
    asma 19 - Aug - 2024 02 Min 46 Sec 40/60
  • A
    Abdullaj Yousaf 15 - Feb - 2023 03 Min 57 Sec 40/60

ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 The mass of the nucleus is always less than the total man of the protons and neutron that make up the nucleus. The difference of the two masses is called
A. nuclear fission
B. nuclear fusion
C. man defect
D. radioactivity
2 Gamma rays consist of steam of
A. electron
B. proton
C. photons
D. all of these
3 γ-rays behave like a particle because they explain the
A. Compton effect
B. Photoelectric effect
C. Pair-production
D. all the above
4 The unit of decay constant is
A. sex
B. sec2
C. sec-1
D. sec-2
5 The nucleous of uranium -235 differs from a nucleous of a uranium -238 in that the later contains
A. 3 more neutrons
B. 3 more electrons
C. 3 more protons
D. 3 more ions
6 Proton was discovered by Rutherford in
A. 1915
B. 1906
C. 1910
D. 1920
7 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
8 Neutron was discovered by
A. Curie
B. Roentgen
C. Chadwick
D. Rutherford
9 Three quarks make:
A. An electron
B. A meson
C. A baryon
D. A photon
10 Which of the following material has smaller has life
A. uranium
B. polonium
C. radium
D. radian

Test Questions

Is this page helpful?