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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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Physics - ICS Part 2 Physics Chapter 19 Short Questions Preparation

Question # 1

Define Stopping potential and Threshold frequency.

  • Ans 1: Stopping potential:The stopping potential is the potential difference applied to stop the electrons from being ejected from the surface when the light fall on it.
    Threshold frequency:The minimum of frequency of incident light at which electrons are emitted from a surface is called threshold frequency.
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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

Define Stopping potential and Threshold frequency.

  • Ans 1: Stopping potential:The stopping potential is the potential difference applied to stop the electrons from being ejected from the surface when the light fall on it.
    Threshold frequency:The minimum of frequency of incident light at which electrons are emitted from a surface is called threshold frequency.
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ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 2

Question # 1

If you are moving in a spaceship at very high speed relative to the earth.Would you notice difference(a)In your pulse rate(b)In the pulse rate of people on the earth?

  • Ans 1:
    1. The pulse rate of the person inside the spaceship moving with large velociety will decrease.
    2. The pulse rate of the people on the earth with respect to the person inside the spaceship with large velocity will increase.
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ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 3

Question # 1

As a solid is heated and begins to glow ,why does it first of its absolute.

  • Ans 1: Since the red light has longest wavelength ,so it will be emitted first and solid appears red first.
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