ICS Part 2 Physics Chapter 20 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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12th Class Physics Chapter Wise Preparation

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

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  • Total Questions10

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Physics - ICS Part 2 Physics Chapter 20 Short Questions Preparation

Question # 1

What is fluorescence?

  • Ans 1: Fluorescence is a property of absorbing radiant energy of high frequency and re emitting energy of low frequency in the visible region of electromagnetic spectrum.
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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

What is fluorescence?

  • Ans 1: Fluorescence is a property of absorbing radiant energy of high frequency and re emitting energy of low frequency in the visible region of electromagnetic spectrum.
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ICS Part 2 Physics Chapter 20 Short Questions Preparation - Set 2

Question # 1

What are the difference between laser light and ordinary light?

  • Ans 1: The laser light is intense ,unidirectional and phase coherent ,so it does bit spread as compared to ordinary light.
    The energy of laser can be focused at a point to get enough heat for welding which is not possible with ordinary light.
    A laser beam is used as a surgical tool for welding detached retina which ordinary light can not do.
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ICS Part 2 Physics Chapter 20 Short Questions Preparation - Set 3

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

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