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

Curie is a unit of

Question # 2

Nucleus consists of

Question # 3

Charge on neutron is

Question # 4

Rutherford performed an experiment on nuclear reactions in:

Question # 5

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

Question # 6

The range ofβ-particle in air is greater than that ofα-particle by

Question # 7

For an atom having atomic number 'Z' and atomic weight 'A', the number of neutrons in the nucleous is

Question # 8

Radioactivity was discovered by:

Question # 9

If a nucleus emits an alpha particle, its mass number decreases by 4 while charge number decreased by

Question # 10

The chemical properties of all the isotopes of an elements are

Question # 11

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

Question # 12

The emission of radiations take place in elements, having charge number greater than

Question # 13

Fraction of the decaying atoms per unit time is called

Question # 14

The nucleus/nuclei of hydrogen is/are:

Question # 15

For Protium, the mass defect 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
    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
  • A
    asma 19 - Aug - 2024 02 Min 46 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 A curie represents a very strong source of
A. α-particle
B. β-particle
C. γ-particle
D. none of these
3 Electrons are
A. positive charged
B. negatively charged
C. massless
D. neutral
4 Nucleus consists of
A. proton and neutron
B. protons and electron
C. electron and neutron
D. protons only
5 Neutron was disvovered by:
A. Rutherford in 1920
B. Chadwick in 1922
C. Bohr in 1913
D. Compton in 1927
6 U-238 present in the natural uranium is about:
A. 59%
B. 0.007%
C. 99%
D. 39%
7 A particle having the mass of electron and charge of a proton is called a
A. photon
B. position
C. antiproton
D. antineutrino
8 The chemical properties of all the isotopes of an elements are
A. same
B. different
C. slightly different
D. none of these
9 The range of particle depends upon the factor
A. charge, mass and energy of particle
B. density of medium
C. ionization potential of the atoms
D. all the above
10 Proton was discovered by Rutherford in
A. 1915
B. 1906
C. 1910
D. 1920

Test Questions

Is this page helpful?