A metal surface with work function is illuminated by monochromatic light of frequency $
uV_0m$, the maximum speed of the emitted photoelectrons is:
$\sqrt{\frac{2(h
u + \phi)}{m}}$
$\sqrt{\frac{2(h
u - \phi)}{m}}$
$\sqrt{\frac{h
u - \phi}{m}}$
$\frac{2(h
u - \phi)}{m}$
Related Questions
In Lenard's experiment, the stopping potential for photoelectrons emitted from a metal surface illuminated by light of wavelength is . When the wavelength is changed to (), the stopping potential becomes . If the work function of the metal is , which of the following relations is correct?