Q no. 1 plz its urgent
Attachments:
falgunichapekar:
Plz answer it
Answers
Answered by
1
Use Einstein equation
hf = 0.5mv² + W
hf = 0 + W
hc/wavelength = W
wavelength = hc/W
wavelength = (1240 eV nm)/(4nm)
wavelength = 310 nm
wavelength = 3100 Å
Option (d) is correct.
hf = 0.5mv² + W
hf = 0 + W
hc/wavelength = W
wavelength = hc/W
wavelength = (1240 eV nm)/(4nm)
wavelength = 310 nm
wavelength = 3100 Å
Option (d) is correct.
Thank
you're welcome :)
Similar questions