ICS Part 2 Physics Chapter 21 Short Questions Preparation


12th Class Physics
Short Questions Preparation

Start Chapter 21 Preparation

12th Class Physics Chapter Wise Preparation

Online Short Questions For Chapter 10 "ICS Part 2 Physics Chapter 21 Short Questions Preparation "

Try The Short Questions For ICS Part 2 Physics Chapter 21 Short Questions Preparation

  • Total Questions10

  • Available Sets5

Start Test Download PDF

Physics - ICS Part 2 Physics Chapter 21 Short Questions Preparation

Question # 1

How alpha and beta may ionize an atom without directly hitting the electrons?

  • Ans 1: As alpha and beta are electrically charged particle,so they can cause ionization without hitting an atom either by,repellings the electron of target particle.
Submit

Prepare Complete Set Wise Questions For Chapter 10 "ICS Part 2 Physics Chapter 21 Short Questions Preparation "

ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 1

Question # 1

How alpha and beta may ionize an atom without directly hitting the electrons?

  • Ans 1: As alpha and beta are electrically charged particle,so they can cause ionization without hitting an atom either by,repellings the electron of target particle.
Submit

ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 2

Question # 1

If nucleus has a life of one year,does this mean that it will be completely decayed after two years?

  • Ans 1: No it will not decay completely after two years.
    Numbers of atom at initial stage =No
    number of atoms decayed after first year =1/2No
Submit

ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 3

Question # 1

Define decay constant.

  • Ans 1: Decay constant of any element is to the fraction of the decaying atoms per unit time.
Submit

ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 4

Question # 1

How energy released when 1 amu converted into energy?

  • Ans 1: 1 amu= 1.66 x10-27kg

    the energy of 1 amu is 1 amu =1.494 x10-10J
    1 amu= 931 MeV
Submit

ICS Part 2 Physics Chapter 21 Short Questions Preparation - Set 5

Question # 1

Define fission and fusion reaction.

  • Ans 1: Fission: Such a reaction in which a heavy nucleus like that of uranium splits up into two nuclei of roughly equal size along with the emission of energy is called fission reaction.
  • Ans 2: Fusion: A reaction in which two light of nuclei merge to form a heavy nucleus is called fusion reaction.It requires very high temperature.
Submit

ic-science-white
Physics
21st Chapter

ICS Part 2 Physics Chapter 21 Short Questions Preparation

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!