Below a certain frequency no electrons come out at all. That threshold…

Question

Below a certain frequency no electrons come out at all. That threshold is the:

Accepted Answer

D. Cut off frequency

1. Each photon must carry enough energy.
2. Energy depends on frequency.
3. So there is a cut off frequency.
_Source: OpenStax University Physics Volume 3, Chapter 6, Photons and Matter Waves._

Answer

Cut off resistance

Answer

Cut off wavelength

Answer

Cut off brightness

Below a certain frequency no electrons come out at all. That threshold is the:

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