Second Year Physics Chapter 19 Online MCQ Test for 2nd Year Physics Chapter 19 Dawn of Modern Physics Preparation

Top Scorers Of Chapter 0 "Physics FSC Part 2 Chapter 19 Online MCQ's Test" MCQ`s Test

• R

  Rizwan Baloch 19 - Jul - 2024 01 Min 46 Sec 17/17

• A

  Anass Shafi 03 - Dec - 2024 01 Min 47 Sec 17/17

• A

  Abdullah Amir 10 - Jan - 2025 02 Min 38 Sec 17/17

• U

  Umme Manahil 26 - Nov - 2024 02 Min 45 Sec 17/17

• A

  Ahmed Shaaff 16 - Oct - 2024 01 Min 27 Sec 16/17

• A

  Ali Hasnain 29 - Dec - 2024 01 Min 47 Sec 16/17

• M

  Muzammil Abbas 17 - Oct - 2024 01 Min 47 Sec 16/17

• M

  Mn Creatives 14 - Dec - 2024 02 Min 16 Sec 16/17

• A

  allama iqbal 17 - Dec - 2025 08 Min 02 Sec 16/17

• R

  Raees 28 - Aug - 2025 99 Min 14 Sec 16/17

• M

  Muhammad mumtaz 03 - Jan - 2025 01 Min 59 Sec 15/17

• A

  Ali Hassan 25 - Nov - 2024 03 Min 23 Sec 15/17

• Z

  Zaini Awan 19 - Jan - 2025 07 Min 53 Sec 15/17

• M

  Marveen Ishaq 16 - Jul - 2024 02 Min 02 Sec 14/17

• M

  Manzar Naru 16 - Aug - 2024 02 Min 40 Sec 14/17

FSc Part II Physics Chapter 0 Important MCQ's

Sr.#	Question	Answer
1	Pair production occurs only when energy of photon is at least equal in:	A. 1.02keV B. 1.02 eV C. 1.02 MeV D. 1.02 GeV
2	The existence of positron was discovered in:	A. 1929 B. 1928 C. 1931 D. 1933
3	When a very high energy modeules such as y radiation interact with matter, the phenomenon arising will be.	A. Photoelectric effect B. Compton effect C. Pair production D. Annihilation of matter
4	De-Broglie waves are associated with	A. Moving charged particles only B. Moving neutral particles only C. All moving particles D. All parties whether in motion or at rest
5	Disintegration of photon on striking a nucleus into an electron and positron is known as.	A. Annihilation of matter B. Compton effect C. Pair production D. Photo electric effect
6	The unit for Plank's constant is:	A. Js-1 B. Jm C. Js  D. Jm2
7	The dimensions of Plank's constant is same as that of.	A. Energy B. Power C. Acceleration D. Angular momentum
8	The mass of an object will be doubled at speed.	A. 2.6 x 108 m/s B. 1.6 x 108 m/s C. 2.6 x 107 m/s D. 3.6 x 107 m/s
9	Compton shift is maximum for scattering angle of photon	A. 0o B. 90o C. 180o D. 45o
10		A. Wien's constant B. Planck's constant C. Davison constant D. Lumber's constant