ECAT Pre General Science Physics Chapter 21 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 21 Nuclear Physics

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 21 Nuclear Physics

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 21 Nuclear Physics

00:00
Question # 1

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

Question # 2

The chemical behaviour of an atom is determined by

Question # 3

Which are not the elementary particles?

Question # 4

β-particles are easily deflected by collisions than heavy

Question # 5

Pair production take place when energy ofγ-rays photon is

Question # 6

Charge on neutron is

Question # 7

Curie is a unit of

Question # 8

The number if neutrons in the nucleus of 92U235are

Question # 9

Nucleus of a hydrogen atom may contain:

Question # 10

According to Rutherford atomic model, the positive charge in an atom

Question # 11

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

Question # 12

How much time, theα-particle more massive than an electron

Question # 13

Radium was discovered by:

Question # 14

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

Question # 15

The counter, which also provides the power to the G.M. tube is called:

Question # 16

Which of the following material has smaller has life

Question # 17

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

Question # 18

A mass spectrograph sort out

Question # 19

When certain nucleus emits aβ-particles, is mass number:

Question # 20

1 amu is equal to.

Question # 21

The missing mass which is converted to energy in the formation of nucleus, is called

Question # 22

U-238 present in the natural uranium is about:

Question # 23

A pair of quark and antiquark makes a:

Question # 24

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

Question # 25

In radio-active decay, the original element which disintegrate to another element is called

Question # 26

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

Question # 27

Neutron was disvovered by:

Question # 28

Which of these is not a radiation detector

Question # 29

Binding energy per nucleus is

Question # 30

The penetration power ofβ-particle is

Submit

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 21 Nuclear Physics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Pre General Science Physics Chapter 21 Nuclear Physics MCQ`s Test

  • L
    LAVANYA 31 - May - 2018 04 Min 45 Sec 110/120
  • U
    Ukasha Rana 29 - Apr - 2022 10 Min 50 Sec 100/120
  • G
    Gorak Danda 24 - Jun - 2024 08 Min 03 Sec 80/120
  • H
    haseeb 12 - Sep - 2021 07 Min 18 Sec 65/120
  • C
    Ch Iftihar 25 - Jan - 2022 07 Min 34 Sec 65/120
  • A
    Aleem Tahir 20 - Apr - 2021 10 Min 50 Sec 65/120
  • H
    Hamza Mukhtair 14 - Jul - 2022 06 Min 35 Sec 50/120
  • I
    ifrah Sheerazi 24 - Jun - 2021 10 Min 50 Sec 50/120
  • U
    umar 12 - Aug - 2021 10 Min 50 Sec 45/120
  • N
    Neha Khan 02 - Dec - 2021 10 Min 50 Sec 40/120
  • F
    Faisal Mehrban 22 - Jun - 2021 10 Min 50 Sec 40/120
  • S
    Sýèd Zàhàd 24 - Jun - 2022 10 Min 50 Sec 30/120
  • S
    Sami Saleem 23 - May - 2023 10 Min 50 Sec 25/120
  • F
    Faraz Ahmad 06 - May - 2021 10 Min 50 Sec 15/120
  • M
    Malik Farhan 23 - May - 2021 07 Min 32 Sec 10/120

ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 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
2 Neutron was discovered in
A. 1915
B. 1920
C. 1925
D. 1932
3 Different radioactive material have
A. same half lives
B. different half lives
C. same mean lives
D. same total lives
4 The total charge of any nucleus is given as
A. Ze2
B. Z2e
C. Z/e
D. Ze
5 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
6 In 1932 Chadwick discovered
A. proton
B. neutron
C. photon
D. electron
7 The counter, which also provides the power to the G.M. tube is called:
A. Thin mica window
B. thin glass window
C. Airy window
D. Wooden window
8 Beta particles are
A. hydrogen nuclei
B. helium nuclei
C. electrons
D. photons
9 A particle having the mass of electron and charge of a proton is called a
A. photon
B. position
C. antiproton
D. antineutrino
10 Neutron was disvovered by:
A. Rutherford in 1920
B. Chadwick in 1922
C. Bohr in 1913
D. Compton in 1927

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!