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

During the nuclear changes, the law/s of conservation that hold/s are that of:

Question # 2

Neutron was discovered in

Question # 3

Beta particles are

Question # 4

1 amu is equal to.

Question # 5

Radium was discovered by:

Question # 6

The half lie of radium-226 is

Question # 7

A curie represents a very strong source of

Question # 8

When a nucleus emits an alpha particle, it atomic mass decreased by

Question # 9

Binding energy per nucleus is

Question # 10

How many isotopes of helium are present?

Question # 11

Mass of neutron is

Question # 12

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

Question # 13

Neutron was suggested to be in the nucleus by:

Question # 14

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

Question # 15

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

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 Different radioactive material have
A. same half lives
B. different half lives
C. same mean lives
D. same total lives
2 1 amu is equal to
A. 1.66 x 10-24kg
B. 1.66 x 10-19kg
C. 1.66 x 10-34kg
D. 1.66 x 10-27kg
3 A pair of quark and antiquark makes a:
A. Meson
B. Baryon
C. Proton
D. Neutron
4 The chemical behaviour of an atom is determined by
A. binding energy
B. atomic number
C. mass number
D. number of isotopes
5 Mass of proton is of order of
A. 10-31gm
B. 10-27kg
C. 10-24gm
D. 10+27kg
6 Gamma rays consist of steam of
A. electron
B. proton
C. photons
D. all of these
7 The reciprocal of decay constant λ of a radioactive material is:
A. Frequency
B. Half life
C. Year
D. Mean life
8 Three quarks make:
A. An electron
B. A meson
C. A baryon
D. A photon
9 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
10 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

Test Questions

Is this page helpful?