ICS Part 2 Physics Chapter 18 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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12th Class Physics Chapter Wise Preparation

Online Short Questions For Chapter 7 "ICS Part 2 Physics Chapter 18 Short Questions Preparation "

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Physics - ICS Part 2 Physics Chapter 18 Short Questions Preparation

Question # 1

Write a note on LED.

  • Ans 1: Light emitting diode are made from the special semiconductor such as gallium arsenide and gallium arsenide phosphide in which the potential barrier between p and n side is such that when electrons combines with a hole during forward biased conduction,a photon of visible light is emitted.
    LED are used in 7-segment display,small light sources etc.
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Prepare Complete Set Wise Questions For Chapter 7 "ICS Part 2 Physics Chapter 18 Short Questions Preparation "

ICS Part 2 Physics Chapter 18 Short Questions Preparation - Set 1

Question # 1

Write a note on LED.

  • Ans 1: Light emitting diode are made from the special semiconductor such as gallium arsenide and gallium arsenide phosphide in which the potential barrier between p and n side is such that when electrons combines with a hole during forward biased conduction,a photon of visible light is emitted.
    LED are used in 7-segment display,small light sources etc.
Submit

ICS Part 2 Physics Chapter 18 Short Questions Preparation - Set 2

Question # 1

Define logic system and logic gates.

  • Ans 1: A digital system deals with the quantities or variable which have only two discrete values or state.
    The electronic circuits which implements the various logic operation are known as logic gates.
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ICS Part 2 Physics Chapter 18 Short Questions Preparation - Set 3

Question # 1

How does the motion of an electron in n type substance differ from the motion of holes in a p type substance?

  • Ans 1: more mobile and rapid than holes in p-type substance because electrons do not require holes for their motions but p-type substance because electrons do not require holes for their motion but hole depend upon electrons for their motion,Both move in opposite direction.
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Physics
18th Chapter

ICS Part 2 Physics Chapter 18 Short Questions Preparation

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