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12th Class Physics
Short Questions Preparation
Start Chapter 19 Preparation
12th Class Physics Chapter Wise Preparation
Online Short Questions For Chapter 8 "ICS Part 2 Physics Chapter 19 Short Questions Preparation "
Try The Short Questions For ICS Part 2 Physics Chapter 19 Short Questions Preparation
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Total Questions10
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Available Sets3
Physics - ICS Part 2 Physics Chapter 19 Short Questions Preparation
Question # 1
When does light behaves as a wave?When does light behaves as a particle?
- Ans 1: Light behave as a wave when it propagates from one place to other and light behave as a particle when it interacts with matter,Light behaves as a wave in interference and diffraction,Light behaves as a particle in photoelectric and Compton effect.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 1
Question # 1
When does light behaves as a wave?When does light behaves as a particle?
- Ans 1: Light behave as a wave when it propagates from one place to other and light behave as a particle when it interacts with matter,Light behaves as a wave in interference and diffraction,Light behaves as a particle in photoelectric and Compton effect.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 2
Question # 1
What do you know by annihilation of matter?
- Ans 1: When a positron comes close to an electron,they annihilate and produce two photons in the gamma rays range.It is called annihilation of matter.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 3
Question # 1
Which has the lower energy quanta,radio waves or x rays?Explain
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Ans 1: Energy of quanta is given as E=hf-hc/lamdaRadio waves length has longer wavelength,Therefore radio waves has lower energy quanta.
