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

The range of particle depends upon the factor

Question # 2

The isotope/s of hydrogen is /are:

Question # 3

Mass of proton is

Question # 4

Neutrons are

Question # 5

Charge on proton is

Question # 6

In wilson cloud chamber, the air becomes saturated with:

Question # 7

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

Question # 8

The diameter of an atom is of the order

Question # 9

The chemical behaviour of an atom is determined by

Question # 10

Radiation detector are used to

Question # 11

The missing mass which is converted to energy in the formation of nucleus, is called

Question # 12

Marie curie and Pierre curie discovered:

Question # 13

Which of these is not a radiation detector

Question # 14

The nucleus left after the emission of some radiation is called:

Question # 15

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

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
    Muneeb ur Rehman 28 - Jun - 2026 02 Min 20 Sec 56/60
  • 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
  • M
    Muhammad Zia 28 - Mar - 2026 11 Min 05 Sec 52/60
  • 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

ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 Phenomenon of radioactivity is due to disintegration of
A. nucleus
B. neutron
C. proton
D. molecule
2 Mass of neutron is
A. 1.67 x 10-31kg
B. 1.67 x 10-27kg
C. 9.1 x 10-31kg
D. 1.67 x 10-19kg
3 A mass difference of 0.0012 u is equivalent to and energy of:
A. 0.5 Me V
B. 1.13 MeV
C. 5.13 MeV
D. 1.13 keV
4 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
5 In wilson cloud chamber, the air becomes saturated with:
A. Alcohol vapours
B. Water
C. Helium gas
D. Nitrogen gas
6 The energy is found from Einstein's mass energy relation is called
A. binding energy of electron
B. binding energy of proton
C. binding energy of neutron
D. binding energy of nucleus
7 Maric Curie and Pieree Curie discovered two new radioactive elements, which are called
A. polonium uranium
B. uranium and radium
C. polonium and radium
D. none of these
8 When a nucleus emits an alpha particles, its charge number decreases by
A. 3
B. 2
C. 6
D. 5
9 Heavy water is made of one oxygen atom and two atoms of:
A. Protium
B. Deuterium
C. Tritium
D. Any of these
10 The penetration power ofβ-particle is
A. zero
B. less thanα-particle
C. equal toα-particle
D. greater thanα-particle

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!