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Light Emitting Diode

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light of wavelength 500nm is incident on a metal with work function 2.28eV . the de broglie wavelength of the emitted electron i

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Q. A light of wavelength 400 nm is incident on a metal with a work function 2.28 eV. The de-broglie wavelength of the emitted electron is:

Q. Light of wavelength

500 n m

is incident on a metal with a work function of

2.28 e V

. The de borglie wavelength of the emitted electron is

Q. A metal is irradiated with light of wavelength

600 n m

. Given that the work function of the metal is

1.0 e V

, the de Broglie wavelength of the ejected electron is close to:

Q. When light of wavelength

^{'} λ^{'}

falls on the surface of a metal with threshold wavelength

^{'} λ_{0}^{'}

, an electron of mass 'm' is emitted. The de Broglie wavelength of emitted electron is:

Q. When a light of wavelength

^{'} λ^{'}

falls on the surface of a metal with threshold wavelength

^{'} λ_{0}^{'}

, an electron of mass '2m' is emitted. The de Broglie wavelength of emitted electron is:

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