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When an ultraviolet radiation falls on a negative charged copper board, it ejects an electron from copper because __________ A)The frequency of the ultraviolet radiation is larger than the threshold frequency
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When an ultraviolet radiation falls on a negative charged copper board, it ejects an electron from copper because __________

A)The frequency of the ultraviolet radiation is larger than the threshold frequency of copper.
B)The frequency of the ultraviolet radiation is smaller than the threshold frequency of copper.
C)The energy of the ultraviolet is smaller than the function of the copper.
D)The wavelength of the ultraviolet radiation is larger than the wavelength of the threshold of copper.

PLEASE HELP FAST

User Emilly
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4 votes

Answer:

D

Step-by-step explanation:

The wavelength of the ultraviolet radiation is larger than the wavelength of the threshold of copper.

User Isotopp
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