Dual Nature Of Light Question 47
Question: Cathode rays are similar to visible light rays in that [SCRA 1994]
Options:
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
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Answer:
Correct Answer: D
Solution:
Light consists of photons and cathode rays consists of electrons. However both effect the photographic plate.
BETA
