CHAPTER 11

Dual Nature of Radiation and Matter

CHAPTER AT A GLANCE

Cathode Rays

Cathode rays are the stream of fast-moving electrons. These rays are produced in a discharge tube at a pressure below ch11_eqn333 of mercury.

Properties of Cathode Rays

  1. Cathode rays are not electromagnetic rays.
  2. Cathode rays are deflected by electric field and magnetic field.
  3. Cathode rays produce heat in metals when they fall on them.
  4. Cathode rays can pass through thin aluminum or gold foils without puncturing them.
  5. Cathode rays can produce physical and chemical change.
  6. Cathode rays travel in straight line with high velocity momentum and energy and cast shadow of objects placed ...

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