Modern Physics> The threshold wavelength of a photosensit...

The threshold wavelength of a photosensitive metal is 275nm. Calculate the maximum velocity of the photoelectrons ejected when light of 180nm incident on it

N.R Pramath , 6 Years ago

Grade 12

1 Answers

Nikhil

Last Activity: 6 Years ago

hf-hf(0)=K.Emax

1240/180-1240/275=K.Emax in eV

2.3eV=K.Ein eV

2.3×1.6×10^-19=3.68×10^-19V =potential and thw max speed of electron

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Modern Physics> The threshold wavelength of a photosensit...

The threshold wavelength of a photosensitive metal is 275nm. Calculate the maximum velocity of the photoelectrons ejected when light of 180nm incident on it

N.R Pramath , 6 Years ago

Nikhil

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