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

Start Chapter 19 Test

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

Sr. # Questions Answers Choice
1 Which one of the following paved the way for modern physics
  • A. Newtonian mechanics
  • B. Theory of relativity
  • C. Quantum theory
  • D. All of above
2 Photo electrons are emitted y using visible light when the metal is.
  • A. sodium
  • B. Copper
  • C. Nicked
  • D. Cobalt
3 A block body is an ideal:
  • A. Absorber
  • B. Radiator
  • C. Both a & b
  • D. None of above
4 The uncertainty principle was given by
  • A. De-Broglie
  • B. Heisenberg
  • C. Einstein
  • D. Max Planck
5 The photoelectric effect predicts that light is made of
  • A. Photons
  • B. Neutrons
  • C. Protons
  • D. None of these
6 Light of 4.5 eV is incident on a Cesium surface and stopping potential is 0.25 eV, maximum K.E. of emitted electron is.
  • A. 4.5 eV
  • B. 4.25 eV
  • C. 4.75 eV
  • D. 0.25 eV
7 In 1905, the special theory of relativity was proposed by
  • A. Einstein
  • B. Bohr
  • C. Maxwell
  • D. De Broglie
8 Einstein was awarded Nobel prize in physics in
  • A. 1905
  • B. 1911
  • C. 1918
  • D. 1921
9 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
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
S

Shahzaibasif Asif Javed

Lahore25 - Apr - 2025

17/17
01 Mins 57 Sec
A

Almas

Lahore25 - Apr - 2025

17/17
02 Mins 07 Sec
S

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
S

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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