ECAT Pre Engineering Physics Chapter 21 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 21 Nuclear Physics

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

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

Physics ECAT Pre Engineering Chapter 21 Nuclear Physics

00:00
Question # 1

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

Question # 2

Which of these is not a radiation detector

Question # 3

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

Question # 4

How many isotopes of helium are present?

Question # 5

The unit of decay constant is:

Question # 6

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

Question # 7

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

Question # 8

Curie is a unit of

Question # 9

A mass spectrograph sort out

Question # 10

The number if neutrons in the nucleus of 92U235are

Question # 11

When thorium nucleus emits aβ-particle, the daughter nucleus is called:

Question # 12

Alfa particles are

Question # 13

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

Question # 14

Neutrons are

Question # 15

There is present in paraffin a large amount of:

Submit

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


Topic Test

00:00
Submit

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

  • A
    Amjad Ali 25 - Dec - 2024 00 Min 04 Sec 60/60
  • R
    Rahimsiddiqui Siddiqui 04 - Jul - 2024 00 Min 06 Sec 60/60
  • M
    Muhammad 24 - May - 2024 00 Min 09 Sec 60/60
  • F
    Farzand Shah Farzand Shah 31 - May - 2024 00 Min 41 Sec 60/60
  • B
    Bilal Javed 02 - Jun - 2024 01 Min 48 Sec 60/60
  • S
    suzi 11 - Feb - 2026 01 Min 20 Sec 56/60
  • M
    M Umer Arain 28 - Dec - 2024 00 Min 06 Sec 55/60
  • A
    Abdul Samad 03 - Jun - 2024 01 Min 56 Sec 50/60
  • S
    Sammad Ali 30 - May - 2024 02 Min 33 Sec 50/60
  • M
    Malaika Waqar 20 - Apr - 2024 03 Min 12 Sec 50/60
  • U
    umaima mubashar 31 - May - 2024 05 Min 21 Sec 50/60
  • M
    Mazhar Humayun 15 - Jul - 2026 02 Min 17 Sec 48/60
  • Z
    Zargaii 92 28 - May - 2024 03 Min 56 Sec 45/60
  • A
    Abdullah Sadakat Ali 27 - May - 2024 05 Min 03 Sec 45/60
  • A
    Ayan Khan 09 - Aug - 2024 01 Min 58 Sec 40/60

ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 The amount of energy equivalent to 1 a.m.u is
A. 9.315 Mev
B. 93.15 Mev
C. 931.5 Mev
D. 2.22 Mev
2 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
3 The chemical behaviour of an atom is determined by
A. binding energy
B. atomic number
C. mass number
D. number of isotopes
4 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
5 How much time, theα-particle more massive than an electron
A. 600
B. 7000
C. 5000
D. 15000
6 A mass difference of 0.0012 u is equivalent to and energy of:
A. 0.5 Me V
B. 1.13 MeV
C. 5.13 MeV
D. 1.13 keV
7 Rutherford performed an experiment on nuclear reactions in:
A. 1718 A.D
B. 1818 A.D
C. 1918 A.D
D. 2001 A.D.
8 For an atom having atomic number Z and atomic weight A, the charge on the nucleus is
A. A - Z
B. A + Z
C. Z
D. A
9 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
10 Charge on neutron is
A. 1.6 x 10-19C
B. zero
C. -1.6 x 10-19C
D. 1.2 x 10-19C

Test Questions