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 Compton's effect is associated with
  • A. gamma rays
  • B. Beta rays
  • C. X rays
  • D. Positive rays
2 If the kinetic energy of a free electron doubles, its de Broglie wavelength changes by the factor.
  • A. <b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">√</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">2</span>
  • B. 1/<b style="font-family: arial, sans-serif; font-size: 16px; color: rgb(34, 34, 34);">√</b><span style="font-family: arial, sans-serif; font-size: 16px; color: rgb(34, 34, 34);">2</span>
  • C. 2
  • D. 1/2
3 The emission of electrons from metal surface when exposed to light is called:
  • A. Compton effect
  • B. Pair production
  • C. Photoelectric effect
  • D. None of above
4 The principle regarding the dual nature of light was first discovered by
  • A. Heisenberg
  • B. Compton
  • C. J.J.Thomson
  • D. De-Broglie
5 Which one of the following physical quantities change with relativistic speed?
  • A. Length
  • B. Time
  • C. Mass
  • D. All of above
6 Earth orbital speed is.
  • A. 10 km/s
  • B. 20 km/s
  • C. 30 km/s
  • D. 40 km/s
7 The dimensions of Plank's constant is same as that of.
  • A. Energy
  • B. Power
  • C. Acceleration
  • D. Angular momentum
8 In the equation if f<sub>2</sub> &gt; then
  • A.
  • B.
  • C.
  • D.
9 Einstein was awarded Nobel prize in physics in
  • A. 1905
  • B. 1911
  • C. 1918
  • D. 1921
10 The materialization of energy take place in the process of.
  • A. Photo electric effect
  • B. Compton Effect
  • C. Pair production
  • D. Annihilationof matter

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

Shamaim Waseem

Lahore03 - May - 2025

16/17
02 Mins 52 Sec
A

Almas

Lahore25 - Apr - 2025

16/17
03 Mins 05 Sec
A

Abdullah King Mian Tariq

Lahore19 - Apr - 2025

16/17
07 Mins 28 Sec

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