19th Chapter

ICS Part 2 Physics Chapter 19 Online Test MCQ's

2nd Year Physics Chapter 19 Online MCQ Test for 12th Class Physics Chapter 19 (Dawn of Modern Physics)

ICS Part 2 Physics
Chapter 19 Test

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2nd Year Physics Chapter 19 Online MCQ Test for 12th Class Physics Chapter 19 (Dawn of Modern Physics)

Sr. # Questions Answers Choice
1 In 1905, the special theory of relativity was proposed by
  • A. Einstein
  • B. Bohr
  • C. Maxwell
  • D. De Broglie
2 Potassium Cathodes in photocell emit electrons for a light.
  • A. Visible
  • B. Infra red
  • C. Ultra violet
  • D. X rays
3 The special theory of relativity based on.
  • A. One postulate
  • B. Two postulates
  • C. Three postulates
  • D. Four postulates
4 Using relativistic effects the location of an air craft after an hour fight can be predicated about
  • A. 20 m
  • B. 50 m
  • C. 760 m
  • D. 780 m
5 Maximum Compton shift is observed at.
  • A. 30<sup>o</sup>C
  • B. 90<sup>o</sup>C
  • C. 45<sup>o</sup>C
  • D. 180<sup>o</sup>C
6 Albert Einstein got noble prize in:
  • A. 1926
  • B. 1921
  • C. 1918
  • D. 1931
7 In an nihilation emitted photons moves in opposite directions to conserve.
  • A. Mass
  • B. Charge
  • C. Energy
  • D. Momentum
8 The quantity/factor h/m<sub>o</sub>c has the dimensions of.
  • A. Length
  • B. Time
  • C. Mass
  • D. Energy
9 The principle regarding the dual nature of light was first discovered by
  • A. Heisenberg
  • B. Compton
  • C. J.J.Thomson
  • D. De-Broglie
10 The minimum frequency needed to emit an electron form metal surface is called:
  • A. Work function
  • B. Threshold frequency
  • C. Quanta frequency
  • D. All of above

Top Scorers of Physics ICS Part 2 Chapter 19 Online MCQ's Test

A

Awais Farooq

Lahore20 - Apr - 2025

17/17
47 Sec
S

Shahzaibasif Asif Javed

Lahore25 - Apr - 2025

17/17
01 Mins 57 Sec
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Shahzaibasif Asif Javed

Lahore25 - Apr - 2025

17/17
01 Mins 57 Sec
A

Almas

Lahore25 - Apr - 2025

17/17
02 Mins 07 Sec
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Shahzaibasif Asif Javed

Lahore25 - Apr - 2025

17/17
03 Mins 03 Sec
A

Aneela

Lahore23 - Apr - 2025

17/17
14 Mins 47 Sec
A

Awais Farooq

Lahore20 - Apr - 2025

16/17
39 Sec
A

Awais Farooq

Lahore20 - Apr - 2025

16/17
56 Sec
A

Awais Farooq

Lahore25 - Apr - 2025

16/17
59 Sec
A

Awais Farooq

Lahore25 - Apr - 2025

16/17
01 Mins 27 Sec
A

Aneela

Lahore23 - Apr - 2025

16/17
01 Mins 49 Sec
A

Aneela

Lahore23 - Apr - 2025

16/17
01 Mins 56 Sec
S

Sarwat Khurshid

Lahore15 - Apr - 2025

16/17
02 Mins 29 Sec
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Shamaim Waseem

Lahore03 - May - 2025

16/17
02 Mins 52 Sec
A

Almas

Lahore25 - Apr - 2025

16/17
03 Mins 05 Sec

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