A. High-energy electromagnetic waves
B. protons
C. neutrons
D. streams of electrons
Correct Answer:
Option D – streams of electrons
Explanation
Cathode rays are streams of electrons observed in vacuum tubes.
A. High-energy electromagnetic waves
B. protons
C. neutrons
D. streams of electrons
Correct Answer:
Option D – streams of electrons
Explanation
Cathode rays are streams of electrons observed in vacuum tubes.
Copyright warnings! Do not copy.