12th class Physics chapter 19 online mcq test with answers for ICS part 2 Physics Chapter 19 (Dawn of Modern Physics)

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

This online test contains MCQs about following topics:

- Relative Motion
- Frames of Reference
- Special Theory of Relativity
- Black Body Radiation
- Interaction of Electromagnetic Radiation With Matter
- Annihilation of Matter
- Wave Nature of Particles
- Uncertainty Principle

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Ics Part 2 Physics Chapter 19 Test

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ICS Part 1 English Medium Subjects

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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	When platinum is it becomes orange at	A. 500<sup>o</sup>C B. 900<sup>o</sup>C C. 1100<sup>o</sup>C D. 1300<sup>o</sup>C
2	A positron is an anti particle of.	A. Proton B. Electron C. Neutron D. Photon
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	Einstein was awarded Nobel prize in physics in	A. 1905 B. 1911 C. 1918 D. 1921
5	The materialization of energy take place in the process of.	A. Photo electric effect B. Compton Effect C. Pair production D. Annihilationof matter
6	The principle regarding the dual nature of light was first discovered by	A. Compton B. J.J.Thomson C. De-Broglie D. Heisenberg
7	Compton effect proves.	A. Wave nature of radiation B. Wave nature of particle C. Dual nature of particle D. Particle nature of radiations
8	The minimum energy required for occurrence of pair production is:	A. 1.022eV B. 1.02keV C. 1.02Me.V D. 1.04MeV
9	Pair production cannto take place in vacuum because :	A. Mass in not conserved B. Momentum is not conserved C. Energy is not conserved D. Charge is not conserved
10	If an object moves with speed of light, its mass will be.	A. Zero B. Maximum C. Minimum D. infinity

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