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

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

Question # 2

A particle having the mass of electron and charge of a proton is called a

Question # 3

Alfa particles are

Question # 4

Radioactivity

Question # 5

There is present in paraffin a large amount of:

Question # 6

Binding energy per nucleus is

Question # 7

The range of particle depends upon the factor

Question # 8

The number of all the protons and neutrons in a nucleus is known as

Question # 9

Structure of the nucleus was explained by

Question # 10

A mass spectrograph sort out

Question # 11

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

Question # 12

The number if neutrons in the nucleus of 92U235are

Question # 13

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

Question # 14

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

Question # 15

Alfa , beta and gamma rays are emitted from a radio-active substance

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 emission of radiations take place in elements, having charge number greater than
A. 109
B. 82
C. 69
D. 52
2 A particle having the mass of electron and charge of a proton is called a
A. photon
B. position
C. antiproton
D. antineutrino
3 When certain nucleus emits aβ-particles, is mass number:
A. Remain same
B. Increases by one
C. Decreases by one
D. Decreases by four
4 Rate of decay is actually described by.
A. Half line
B. Decay constant
C. Mean life
D. Total life
5 Hydrogen atom with only one proton in its nucleus, and one electron in its orbit is called
A. deuteron
B. deterium
C. protium
D. tritium
6 Neutron was suggested to be in the nucleus by:
A. Rutherford in 1920
B. Bohar in 1913
C. Dirac in 1928
D. Anderson in 1932
7 The rate of decay of a radioactive substance
A. decrease exponentially with time
B. decreases linearly with time
C. increases linearly with time
D. increases exponentially with time
8 Gamma rays consist of steam of
A. electron
B. proton
C. photons
D. all of these
9 Nucleus of a hydrogen atom may contain:
A. One neutron only
B. Two protons and one neutron
C. Two protons and two neutrons
D. Aany of above
10 When thorium nucleus emits aβ-particle, the daughter nucleus is called:
A. Protactinium
B. Actinium
C. Uranium
D. Radium

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!