Question

Cathode ray can pass through thin metallic foils

• A. True
• B. False

Answer 1

The correct option is A True

1. According to the properties shown by the cathode ray if you let the disc is replaced by a thin Aluminium foil.
2. It is observed that the screen will glow dimly and prove cathode rays can penetrate through the metal foil.

Hence the given statement is true.