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LC Physics
LC Physics
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Wave & Wave Motion

What is a wave?

  • A wave is a means of transferring energy through a medium, without any net movement of that medium.
    • Transverse wave: A wave where the direction of vibration is perpendicular to the direction in which the... (More)

Force, Mass and Momentum – Definitions

Force is anything that causes the velocity of an object to change.

  • Force has direction in which it acts – it is a vector quantity.
  • The symbol for force is F.
  • The unit of force is the newton... (More)

The Cathode Ray Tube

Cathode rays are streams of high speed electrons moving from the cathode.

How a Cathode Ray tube works:

  • A low voltage is placed across the filament. Current flows through and it becomes white hot, this heats the cathode.
  • Thermionic... (More)

The Electron – Physics Chapter Summary

Properties of the Electron

  • It is a particle that orbits the nucleus of an atom.
  • It has a very small mass.
  • It is negatively charged. Charge = e.
    • This is the smallest amount of charge found in nature.... (More)