ICS Part 2 Physics Chapter 19 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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Online Short Questions For Chapter 8 "ICS Part 2 Physics Chapter 19 Short Questions Preparation "

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Physics - ICS Part 2 Physics Chapter 19 Short Questions Preparation

Question # 1

Distinguished between photoelectric effect and Compton effect.

  • Ans 1: The emission of electron from a metal surface when exposed to suitable frequency light is called photoelectric effect and when x rays are scattered by loosely bound electrons from graphite target the phenomena of change in wavelength is known as compton effect.
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Prepare Complete Set Wise Questions For Chapter 8 "ICS Part 2 Physics Chapter 19 Short Questions Preparation "

ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 1

Question # 1

Distinguished between photoelectric effect and Compton effect.

  • Ans 1: The emission of electron from a metal surface when exposed to suitable frequency light is called photoelectric effect and when x rays are scattered by loosely bound electrons from graphite target the phenomena of change in wavelength is known as compton effect.
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ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 2

Question # 1

Will higher frequency of light ejects greater number of electrons than low frequency of light?

  • Ans 1: No it will not,The number of ejected electrons depend upon the intensity of light.They are independently of frequency.
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ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 3

Question # 1

What advantage of an electron microscope has over an optical microscope?

  • Ans 1:
    • Resolving power of an electron microscope is 1000 times greater than that of optical microscope.
    • Magnification of an electron microscope is also about 1000 times greater than that of optical microscope.
    • 3-D image of remarkable quality can be obtained by electron.
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Physics
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ICS Part 2 Physics Chapter 19 Short Questions Preparation

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