21th Chapter

ICS Part 2 Physics Chapter 21 Online Test MCQ's

2nd Year Physics Chapter 21 Online MCQ Test for 12th Class Physics Chapter 21 (Nuclear Physics)

ICS Part 2 Physics
Chapter 21 Test

Start Chapter 21 Test

2nd Year Physics Chapter 21 Online MCQ Test for 12th Class Physics Chapter 21 (Nuclear Physics)

Sr. # Questions Answers Choice
1 The energy of photon for photoelectric effect is less than
  • A. 1 MeV
  • B. 2 MeV
  • C. 5 MeV
  • D. 8 MeV
2 The most abundant isotope of neon is:
  • A. Neon 21
  • B. Neon 20
  • C. Neon 22
  • D. None of above
3 Half life of Uranium -239 is
  • A. 26.5 minutes
  • B. 24.5 minutes
  • C. 25.5 minutes
  • D. 23.5 minutes
4 Cosmic rays consist of
  • A. Protons
  • B. High energy photons
  • C. Positron
  • D. All of above
5 Bottom quark carries charge :
  • A. 2/3 e
  • B. -2/3 e
  • C. +1/3 e
  • D. -1 /3 e
6 Which of the following is typical source of alpha particle.
  • A. Strontium -94
  • B. Radon -222
  • C. Cobalt -60
  • D. Zic sulphate
7 How many times, the alpha particle is more massive than electrons.
  • A. 6332
  • B. 7332
  • C. 8332
  • D. 9332
8 Materials can be identified by measuring their
  • A. Mass
  • B. Half life
  • C. Both a and b
  • D. None of a,b,c
9 When a nucleus emits an alpha particle, its atomic mass decreases by
  • A. 1
  • B. 2
  • C. 3
  • D. 4
10 What is difference is isotopes
  • A. Number of protons
  • B. Number of neutrons
  • C. Number of electrons
  • D. Charge number

Top Scorers of Physics ICS Part 2 Chapter 21 Online MCQ's Test

A

Awais Farooq

Lahore20 - Apr - 2025

17/17
44 Sec
A

Awais Farooq

Lahore20 - Apr - 2025

17/17
51 Sec
A

Areeba Arif

Lahore18 - Apr - 2025

17/17
01 Mins 40 Sec
A

Areeba Arif

Lahore18 - Apr - 2025

17/17
02 Mins 17 Sec
A

Awais Farooq

Lahore20 - Apr - 2025

16/17
40 Sec
A

Awais Farooq

Lahore20 - Apr - 2025

16/17
46 Sec
A

Awais Farooq

Lahore20 - Apr - 2025

16/17
57 Sec
A

Awais Farooq

Lahore20 - Apr - 2025

16/17
01 Mins 20 Sec
A

Areeba Arif

Lahore18 - Apr - 2025

16/17
01 Mins 40 Sec
A

Awais Farooq

Lahore20 - Apr - 2025

15/17
50 Sec
S

Sehar Fatima

Lahore28 - Apr - 2025

15/17
01 Mins 39 Sec
A

AYESHA Shahid

Lahore14 - Apr - 2025

15/17
02 Mins
S

Sehar Fatima

Lahore28 - Apr - 2025

15/17
02 Mins 18 Sec
A

Asma Najeeb

Lahore16 - Apr - 2025

15/17
02 Mins 27 Sec
Z

Zunaira Sajjad

Lahore18 - Apr - 2025

15/17
02 Mins 54 Sec

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  • G

    Guest User

    23 Mar 2020

    good

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  • F

    Faiz Imran

    30 Jun 2019

    Mcqs

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