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

ICS Part 1 Urdu Medium Subjects

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	In an nihilation emitted photons moves in opposite directions to conserve.	A. Mass B. Charge C. Energy D. Momentum
3	When platinum is heated is become dull red at:	A. 900°C B. 500°C C. 800°C D. 1100°C
4	The special theory of relativity based on.	A. One postulate B. Two postulates C. Three postulates D. Four postulates
5	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
6	A block body is an ideal:	A. Absorber B. Radiator C. Both a & b D. None of above
7	unit of Plank's constant is same as that of.	A. Acceleration B. Angular momentum C. Linear momentum D. Entropy
8	Unit of Stephen's constant is	A. W m K<sup>-2</sup> B. W m<sup>-2</sup> K<sup>-4</sup> C. W m K<sup>-4</sup> D. None
9	The wavelength associated with the protons moving at speed of 40 m/s is.	A. 7.20 nm B. 9.02 C. 15.7 nm D. 17.3 nm
10	In Compton effect the photon behaves as a.	A. Wave B. Particle C. Nucleon D. Both a and b

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