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Grade: 12
        
The threshold wavelength of a photosensitive metal is 275nm. Calculate the maximum velocity of the photoelectrons ejected when light of 180nm incident on it
8 months ago

Answers : (1)

Nikhil
18 Points
							
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
8 months ago
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