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

Which of these is not a radiation detector

Question # 2

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

Question # 3

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

Question # 4

The figure 1.007276μ shows the mass of an:

Question # 5

The half lie of radium-226 is

Question # 6

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

Question # 7

The nucleus/nuclei of hydrogen is/are:

Question # 8

Nucleus of a hydrogen atom may contain:

Question # 9

Rate of decay is actually described by.

Question # 10

Phenomenon of radioactivity is due to disintegration of

Question # 11

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

Question # 12

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

Question # 13

Radioactivity was discovered by:

Question # 14

The chemical properties of all the isotopes of an elements are

Question # 15

The energy acquired by a mass of 1g moving with the speed of light is

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 In 1932 Chadwick discovered
A. proton
B. neutron
C. photon
D. electron
2 Mass of proton is
A. 1.67 x 10-27kg
B. 1.67 x 10-31kg
C. 1.66 x 10-34kg
D. 1.67 x 10-17kg
3 A mass spectrograph sort out
A. molecules
B. atoms
C. elements
D. isotopes
4 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
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 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
7 β-particles are easily deflected by collisions than heavy
A. α-particles
B. β-particles
C. γ-particles
D. none of these
8 The chemical properties of an element depends upon the number of
A. electron
B. position
C. photons
D. neutrons
9 1 amu is equal to
A. 1.66 x 10-24kg
B. 1.66 x 10-19kg
C. 1.66 x 10-34kg
D. 1.66 x 10-27kg
10 Radium was discovered by:
A. Becquerel
B. Marie curie
C. Pierre curie
D. Rutherford

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!