OPTICAL PHENOMENA & PROPERTIES OF MATERIALS Flashcards

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1
Q

Describe the photoelectric effect

A

as the process whereby electrons are ejected from a
metal surface when light of suitable frequency is incident on that surface

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2
Q

Define threshold frequency

A

the minimum frequency of light needed to emit
electrons from a certain metal surface.

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3
Q

Define work function

A

as the minimum energy that an electron in the metal needs to
be emitted from the metal surface

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4
Q
A
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