Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800 Å. Calculate threshold frequency ( ? 0 ) and work function (W0 ) of the metal.

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Gaurav · Answer

Gyatri · Answer

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Anupama · Answer

c = νλ∴ νo = c/λo = 3.0×108 ms-1/6800×10-10 m = 4.14×1014 s-1Work function (wo) = hνo = 6.626×10-34 Js×4.14×1014 s-1 = 2.92×10-19 J

Sairaj shetty · Answer

E=hc/lambda. ...also E=hv o Hence...L. H. S=R.H.S C/lambda= v o 3 x 10 8 / 4800 x 10 -10 . ( 1 A = 10 -10 ) v o = 4.411 x 10 14 s.... Hope that helped. ..

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Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800 Å. Calculate threshold frequency ( ? 0 ) and work function (W0 ) of the metal.

Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800 Å. Calculate threshold frequency ( ? 0 ) and work function (W0 ) of the metal.

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Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800 Å. Calculate threshold frequency ( ? 0 ) and work function (W0 ) of the metal.

Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800 Å. Calculate threshold frequency ( ? 0 ) and work function (W0 ) of the metal.

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