ICS Part 2 Physics Chapter 20 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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Physics - ICS Part 2 Physics Chapter 20 Short Questions Preparation

Question # 1

Can the electron in the ground state of hydrogen atom absorb a photon of energy 13.6 eV greater than 13.6 eV?

  • Ans 1: Yes an electron in the ground state of hydrogen atom can absorb a photon of energy 13.6 eV and greater than 13.6 eV.
    ionization energy of hydrogen atom in ground state is 13.6 eV.So if hydrogen absorb a photon of energy greater than 13.6 eV than the surplus energy of photon appear as K.E of electron
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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

Can the electron in the ground state of hydrogen atom absorb a photon of energy 13.6 eV greater than 13.6 eV?

  • Ans 1: Yes an electron in the ground state of hydrogen atom can absorb a photon of energy 13.6 eV and greater than 13.6 eV.
    ionization energy of hydrogen atom in ground state is 13.6 eV.So if hydrogen absorb a photon of energy greater than 13.6 eV than the surplus energy of photon appear as K.E of electron
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ICS Part 2 Physics Chapter 20 Short Questions Preparation - Set 2

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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ICS Part 2 Physics Chapter 20 Short Questions Preparation - Set 3

Question # 1

Define normal population and population inversion.

  • Ans 1: In normal population ,the lower energy state has a greater population than the higher energy state.
    Population inversion occurs when no more electron are in a higher energy state than in lower energy state.
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20th Chapter

ICS Part 2 Physics Chapter 20 Short Questions Preparation

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