Question

what is threshold frequency

Answer 1

The minimum no.. of frequency of the incident light which can cause the photoelectric effect is known as threshold frequency.

Answer 2

HELLO FRIENDS ,

Frequency -  It is the reapeat-ness or occurrence of of  a object or thing in a per unit time.
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Threshold frequency- It is the minimum frequency of light which incident on metal plate for photo electric emmision. 

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