Light of wavelength 340 nm is incident on a metal surface


Light of wavelength 340 nm is incident on a metal surface and ejects electrons that have maximum speed of 3.50 x 105 m/s.

(a) What is the work function of the metal?

(b) What is the stopping voltage?

(c) What is its threshold wavelength?

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Physics: Light of wavelength 340 nm is incident on a metal surface
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