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 concept of direction is purely	A. Relative B. Absolute C. Relative to the motion D. None of these
2	The quantity/factor h/m<sub>o</sub>c has the dimensions of.	A. Length B. Time C. Mass D. Energy
3	Max planck received noble prize in:	A. 1927 B. 1932 C. 1918 D. 1914
4	When the K.E. of photoelectric is zero, the frequency of incident photon is.	A. Less than B. greater than C. Equal to D. Much greater
5	The number of electrons emitted depends upon	A. Colour of target surface B. Shape of surface C. Frequency of incident light D. Intensity of incident light
6	Photodiode is used for wave nature of.	A. Light B. Thermal radiation C. Radi waves D. Sound waves
7	All motions are	A. Absolute B. Uniform C. Relative D. Variable
8	Platinum wire becomes white at a temperature of.	A. 1600<sup>o</sup>C B. 1300<sup>o</sup>C C. 1100<sup>o</sup>C D. 900<sup>o</sup>C
9	Compton effect proves.	A. Wave nature of radiation B. Wave nature of particle C. Dual nature of particle D. Particle nature of radiations
10	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

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