Physics, 16.12.2019 11:31 sotelonancy888

What did the results of photoelectric-effect experiments establish?

a) electrons are emitted as soon as low-intensity, high-frequency light hits a metal surface.

b) electrons are never emitted if low-intensity light waves strike a metal surface.

c) electrons are emitted if low-intensity light has been incident on metal for a long time.

d) electrons are emitted if high-intensity light has been incident on metal for a long time.

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What did the results of photoelectric-effect experiments establish?

a) electrons are em...