ICS Part 2 Physics Chapter 20 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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Online Short Questions For Chapter 9 "ICS Part 2 Physics Chapter 20 Short Questions Preparation "

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Physics - ICS Part 2 Physics Chapter 20 Short Questions Preparation

Question # 1

Define characteristics of X-rays and continuous x-rays.

  • Ans 1: Chararcterstics X-rays: The x-rays emitted from inner shell transitions are called characteristics x-rays and their energy depends on the type of target material.
    Continuous X-rays:The x-rays emitted having continuous range of frequencies due to bremsstrahlung effect are called continuous x rays.
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Prepare Complete Set Wise Questions For Chapter 9 "ICS Part 2 Physics Chapter 20 Short Questions Preparation "

ICS Part 2 Physics Chapter 20 Short Questions Preparation - Set 1

Question # 1

Define characteristics of X-rays and continuous x-rays.

  • Ans 1: Chararcterstics X-rays: The x-rays emitted from inner shell transitions are called characteristics x-rays and their energy depends on the type of target material.
    Continuous X-rays:The x-rays emitted having continuous range of frequencies due to bremsstrahlung effect are called continuous x rays.
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ICS Part 2 Physics Chapter 20 Short Questions Preparation - Set 2

Question # 1

Explain why laser action could not occur without population inversion between atomic levels?

  • Ans 1: When a large percentage of atom or sample are in population inversion,then large number of coherent photons along same direction of motion could be obtained to form laser light,It is impossible withput population inversion.
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ICS Part 2 Physics Chapter 20 Short Questions Preparation - Set 3

Question # 1

Write down use of laser in industry.

  • Ans 1: It can be used for telecommunication in fibre optics.
    It is used to read bar codes,
    It is used to generate 3D image of objects by holography.
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ICS Part 2 Physics Chapter 20 Short Questions Preparation

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