Question

Which of the following statements are correct for cathode rays?

1. Cathode rays consist of negatively charged particles.
2. They are undeflected by electric and magnetic fields.
3. The characteristics of cathode rays do not depend upon the material of electrodes
4. The characteristics of cathode rays depend upon the nature of the gas present in the cathode ray tube.

• A. ii, iii എന്നിവ
• B. ii മാത്രം
• C. എല്ലാം
• D. iii മാത്രം

Answer 1

Answer:

A. ii, iii എന്നിവ

• Cathode rays are actually deflected by electric and magnetic fields, not undeflected.

• The characteristics of cathode rays do depend upon the material of electrodes and the gas present in the tube.