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	The Compton effect is associated with	A. X-rays B. y-rays C. Positive rays D. ß-rays
2	Einstein was awarded Nobel prize in physics in	A. 1905 B. 1911 C. 1918 D. 1921
3	unit of Plank's constant is same as that of.	A. Acceleration B. Angular momentum C. Linear momentum D. Entropy
4	Pair production can take place only when energy of radiation is equal and greater than 1.02 MeV, thus correct option is.	A. X rays B. Gama rays C. Heat Radiation D. Ultraviolet rays
5	When platinum wire is heated, it changes to cherry red at temperature.	A. 500<sup>o</sup>C B. 900<sup>o</sup>C C. 1100<sup>o</sup>C D. 1300<sup>o</sup>C
6	All motions are	A. Absolute B. Uniform C. Relative D. Variable
7	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
8	Albert Einstein got noble prize in:	A. 1926 B. 1921 C. 1918 D. 1931
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 mass of an object will be doubled at speed.	A. 2.6 x 10<sup>8</sup> m/s B. 1.6 x 10<sup>8 </sup>m/s C. 2.6 x 10<sup>7 </sup>m/s D. 3.6 x 10<sup>7</sup> m/s

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