Ultraviolet light of wavelength 99 nm falls on a metal plate of work function 1.0 eV. Find the wavelength of the fastest photoelectron emitted. Mass of electron (m) = 9.1 x 10-3' kg and h = 6.6 × 10-34 Js.

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Ultraviolet light of wavelength 99 nm falls on a metal
plate of work function 1.0 eV. Find the wavelength
of the fastest photoelectron emitted. Mass of electron
(m) = 9.1 × 10~' kg and h = 6.6 × 10-34 Js.
Js.
Transcribed Image Text:Ultraviolet light of wavelength 99 nm falls on a metal plate of work function 1.0 eV. Find the wavelength of the fastest photoelectron emitted. Mass of electron (m) = 9.1 × 10~' kg and h = 6.6 × 10-34 Js. Js.
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