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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
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.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 1
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.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 2
Question # 1
Why don't we observe a Compton Effect with visible light?
- Ans 1: The frequency of visible light is less than x rays,And the wavelength of visible light is much greater than the Compton of wavelength of electron,So compton effect can not observed with visible light.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 3
Question # 1
What are black body radiations and how can you get a black body?
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Ans 1: An objects that absorbs all radiations falling on it,at all wavelength is called a black body.When a body is heated ,it emits radiation its emission is called black body.Black body is solid that has hollow cavity within it and a small hole through which radiations can enter or escape.The inside is blackened with suit to make it as good an absorber and as a bad reflector as possible.
