The photoelectric threshold of a certain metal is 310 nm.The maximum kinetic energy of electrons ejected from the surface of the metal by ultraviolet light of wavelength 200 nm is
A)2.22 eV
B)2.60 eV
C)10.2 eV
D)12.3 eV
E)none of these because no electrons are ejected

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The Answer of The photoelectric threshold of a certain metal is 310 nm.The maximum kinetic energy of electrons ejected from the surface of the metal by ultraviolet light of wavelength 200 nm is
A)2.22 eV
B)2.60 eV
C)10.2 eV
D)12.3 eV
E)none of these because no electrons are ejected

The Photoelectric Threshold of a Certain Metal Is 310 Nm