ICS Part 2 Physics Chapter 14 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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Physics - ICS Part 2 Physics Chapter 14 Short Questions Preparation

Question # 1

Name the main part of CRO.

  • Ans 1: A filament,cathode grid,anodes,horizontal deflections plates,vertical deflection plates and fluorescent screen.
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Prepare Complete Set Wise Questions For Chapter 3 "ICS Part 2 Physics Chapter 14 Short Questions Preparation "

ICS Part 2 Physics Chapter 14 Short Questions Preparation - Set 1

Question # 1

Name the main part of CRO.

  • Ans 1: A filament,cathode grid,anodes,horizontal deflections plates,vertical deflection plates and fluorescent screen.
Submit

ICS Part 2 Physics Chapter 14 Short Questions Preparation - Set 2

Question # 1

How can you use a magnetic field to separate isotopes of chemical elements?

  • Ans 1: Sinci isotopes of an elements have same charge number but different mass number.As we known that the radius of a charged particle inside a magnetic field is given as, r=mv/qB
    It shows that the isotopes projected from the same point at right angle to the magnetic field B will follow circular path of different radii due to their different masses,So they can be distinguished easily.
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ICS Part 2 Physics Chapter 14 Short Questions Preparation - Set 3

Question # 1

Briefly give the function of Filament,Cathode,Grid and plates in C.R.O.

  • Ans 1: Filament: It heats the cathode.
    Cathode: It emits the electrons.
    Grid:It controls the number of electrons.
    Plates: The two sets of plates are used to deflect the beam of electrons along x axis and y axis.
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ICS Part 2 Physics Chapter 14 Short Questions Preparation - Set 4

Question # 1

If a charge particle moves in a straight line through some region of space,can you say the magnetic field in the region is zero?

  • Ans 1: The magnitude of a magnetic force on a charge particle is F=qVB sin theta
    Magnetic field will be zero due to the following reasons.
    1. Magnetic field strength B in the region is zero.
    2. Magnetic field is parallel or antiparallel to the direction of motion.
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ICS Part 2 Physics Chapter 14 Short Questions Preparation

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