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

The number of all the protons and neutrons in a nucleus is known as

Question # 2

The rate of decay of a radioactive substance

Question # 3

Structure of the nucleus was explained by

Question # 4

Neutrons are

Question # 5

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

Question # 6

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

Question # 7

Referring to the above figure, we can say that of all the elements, the most stable element is

Question # 8

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

Question # 9

γ-rays are

Question # 10

The chemical behaviour of an atom is determined by

Question # 11

Neon gas have three isotopes whose atomic numbers are

Question # 12

For an atom having atomic number Z and atomic weight A, the number of electron in an atoms

Question # 13

Hydrogen atom with only one proton and one neutron in its nucleus, and one electron, is called

Question # 14

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

Question # 15

Different radioactive material have

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
  • 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
  • M
    Muhammad Haseeb 25 - Nov - 2024 02 Min 17 Sec 40/60

ECAT Physics Chapter 21 Important MCQ's

Sr.# Question Answer
1 The reciprocal of decay constant λ of a radioactive material is:
A. Frequency
B. Half life
C. Year
D. Mean life
2 The chemical properties of all the isotopes of an elements are
A. same
B. different
C. slightly different
D. none of these
3 The rate of decay of radioactive substance
A. is constant
B. decrease exponentially with time
C. varies inversely as time
D. decreases linearly with time
4 During the nuclear changes, the law/s of conservation that hold/s are that of:
A. Charge
B. energy
C. Momentum
D. Mass
5 Radium was discovered by:
A. Becquerel
B. Marie curie
C. Pierre curie
D. Rutherford
6 Which of the following material has longer half life
A. radium
B. polonium
C. radium
D. uranium
7 The number of isotopes of hydrogen are
A. 2
B. 1
C. 3
D. 4
8 The chemical properties of an element depends upon the number of
A. electron
B. position
C. photons
D. neutrons
9 Three quarks make:
A. An electron
B. A meson
C. A baryon
D. A photon
10 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

Test Questions

Is this page helpful?