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 are not the elementary particles?

Question # 2

The unit of decay constant is:

Question # 3

The nucleous of uranium -235 differs from a nucleous of a uranium -238 in that the later contains

Question # 4

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

Question # 5

Mass of proton is

Question # 6

The nuclei of an element having the same charge number but different mass numbers are called:

Question # 7

Heavy water is made of one oxygen atom and two atoms of:

Question # 8

Which of the following material has longer half life

Question # 9

When a charged particle passes through matter, it produces ionization, this effect is used in

Question # 10

The unit of decay constant is

Question # 11

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

Question # 12

Radioactivity is

Question # 13

A pair of quark and antiquark makes a:

Question # 14

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

Question # 15

Pair production take place when energy ofγ-rays photon 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 In radio-active decay, the original element which disintegrate to another element is called
A. element
B. daughter element
C. parent element
D. none of these
2 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
3 Rate of decay is actually described by.
A. Half line
B. Decay constant
C. Mean life
D. Total life
4 An alpha particle has a charge of
A. +2e
B. -2e
C. -e
D. +3e
5 The penetration power ofβ-particle is
A. zero
B. less thanα-particle
C. equal toα-particle
D. greater thanα-particle
6 The missing mass which is converted to energy in the formation of nucleus, is called
A. packing fraction
B. mass defect
C. binding energy
D. none of these
7 Nucleus consists of
A. proton and neutron
B. protons and electron
C. electron and neutron
D. protons only
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 most abundant isotope of neon is
A. neon-20
B. neon-21
C. neon-22
D. neon-23
10 When a charged particle passes through matter, it produces ionization, this effect is used in
A. fission reaction
B. reactor
C. radiation detector
D. fusion reaction

Test Questions

Is this page helpful?