ICS Part 2 Physics Chapter 20 Short Questions Preparation


12th Class Physics
Short Questions Preparation

Start Chapter 20 Preparation

12th Class Physics Chapter Wise Preparation

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

Try The Short Questions For ICS Part 2 Physics Chapter 20 Short Questions Preparation

  • Total Questions10

  • Available Sets3

Start Test Download PDF

Physics - ICS Part 2 Physics Chapter 20 Short Questions Preparation

Question # 1

Define population inversion and metastable stable.

  • Ans 1: A condition of matter in which more electrons are in a high energy state than in a lower energy state is called population inversion.
    A particular excited state of an atom that has longer lifetime than the ordinary excited states is called metastable state.
Submit

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

Define population inversion and metastable stable.

  • Ans 1: A condition of matter in which more electrons are in a high energy state than in a lower energy state is called population inversion.
    A particular excited state of an atom that has longer lifetime than the ordinary excited states is called metastable state.
Submit

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

Question # 1

Write two properties of x-rays.

  • Ans 1:
    1. They cause ionization.
    2. They have very short wavelength.
Submit

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

Question # 1

Differentiate between Line and Band spectrum.

  • Ans 1: Line spectrum: When electron jumps from higher orbit to lower orbit ,it emits energy,This emission of energy constitutes spectral line,This is called the line spectrum.
  • Ans 2: Band spectrum:is produced by molecules,They are the groups of lines which are closely spaced to another.
Submit

ic-science-white
Physics
20th Chapter

ICS Part 2 Physics Chapter 20 Short Questions Preparation

Is this page helpful?