Question
Question: Cathode rays are similar to visible light rays in that....
Cathode rays are similar to visible light rays in that.
A
They both can be deflected by electric and magnetic fields
B
They both have a definite magnitude of wavelength
C
They both can ionise a gas through which they pass
D
They both can expose a photographic plate
Answer
They both can expose a photographic plate
Explanation
Solution
Light consists of photons and cathode rays consists of electrons. However both effect the photographic plate.