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Question

Photoelectric effect can be explained by assuming that light:
  1. is a form of transverse waves
  2. is a form of longitudinal waves
  3. can be polarised
  4. consists of quanta

A
consists of quanta
B
is a form of transverse waves
C
is a form of longitudinal waves
D
can be polarised
Solution
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Photoelectric effect can be explained by assuming that light consists of quanta.
A photon strikes a metal surface, its energy is absorbed by the metal, this results in emission of electrons.

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