Question

Features observed in photoelectric effect given by einstein equation

Answer 1

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Answer 2

Explanation:

• threshold frequency is required to eject the electron from metal surface so incident rays must have frequency is equals to or greater than threshold frequency
• kinetic energy of electrons depends on frequency of incident rays
• number of electrons ejected from metal surface is directly proportional to intensity of light.
• relationship of kinetic energy with frequency and intensity with frequency can be seen in the attached diagram.