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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  • Total Questions10

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Physics - ICS Part 2 Physics Chapter 20 Short Questions Preparation

Question # 1

Write two postulate of Bohr's model of H-atom.

  • Ans 1:
    • An electron ,bound to the nucleus in an atom,can moved around the nucleus in certain circular orbits without radiating,These orbits are called the discrete stationary orbits.
    • Only those stationary orbits are allowed for which orbital angular momentum is equal to an integral multiple mvr=nh/2π.
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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

Write two postulate of Bohr's model of H-atom.

  • Ans 1:
    • An electron ,bound to the nucleus in an atom,can moved around the nucleus in certain circular orbits without radiating,These orbits are called the discrete stationary orbits.
    • Only those stationary orbits are allowed for which orbital angular momentum is equal to an integral multiple mvr=nh/2π.
Submit

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

Question # 1

What are the advantages of laser over ordinary light?

  • Ans 1: Laser light has many advantages over ordinary light such as laser light is
    1. Coherent
    2. Intense
    3. Monochromatic
    4. Unidirectional
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ICS Part 2 Physics Chapter 20 Short Questions Preparation - Set 3

Question # 1

List of color of line spectra of an excited hydrogen atom.

  • Ans 1: The color of line spectrum of hydrogen atom are
    • Red
    • Blue
    • Blue-Green
    • Violet
    • Ultraviolet
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Physics
20th Chapter

ICS Part 2 Physics Chapter 20 Short Questions Preparation

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