Cathode rays causes an object placed behind a perforated anode to cast a shadow on the screen. This observation shows that the rays?

  • A are positively charged
  • B are negatively charged
  • C have mass
  • D travel in straight lines
jamb 2009chemistry

The correct answer is D. travel in straight lines

Cathode rays travel in a straight line and can cast sharp shadows.

Cathode rays are negatively charged.

Electric field and magnetic field deflect cathode rays.

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