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

β-particles are easily deflected by collisions than heavy

Question # 2

A curie represents a very strong source of

Question # 3

For an atom having atomic number Z and atomic weight A, the charge on the nucleus is

Question # 4

Alfa particles are

Question # 5

The number of protons inside a nucleus is called

Question # 6

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

Question # 7

Mass of proton is

Question # 8

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

Question # 9

Different radioactive material have

Question # 10

The total charge of any nucleus is given as

Question # 11

The unit of decay constant is:

Question # 12

Pair production take place when energy ofγ-rays photon is

Question # 13

γ-rays behave like a particle because they explain the

Question # 14

The nucleus/nuclei of hydrogen is/are:

Question # 15

Nucleus consists 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
  • 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 In wilson cloud chamber, the air becomes saturated with:
A. Alcohol vapours
B. Water
C. Helium gas
D. Nitrogen gas
2 U-238 present in the natural uranium is about:
A. 59%
B. 0.007%
C. 99%
D. 39%
3 β-particles are easily deflected by collisions than heavy
A. α-particles
B. β-particles
C. γ-particles
D. none of these
4 γ-rays behave like a particle because they explain the
A. Compton effect
B. Photoelectric effect
C. Pair-production
D. all the above
5 The nucleus/nuclei of hydrogen is/are:
A. Proton
B. Deuteron
C. Triton
D. All of these
6 Radiation detector are used to
A. measure intensity of radiation
B. measure energy of radiation
C. difference between different types of radiation
D. all the above
7 Three quarks make:
A. An electron
B. A meson
C. A baryon
D. A photon
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 half life of uranium-238 is
A. 6.2 x 109years
B. 4.5 x 109days
C. 4.5 x 109years
D. 1.3 x 106years
10 Phenomenon of radioactivity is due to disintegration of
A. nucleus
B. neutron
C. proton
D. molecule

Test Questions

Is this page helpful?