The work function of caesium is 2.14 eV. Find
(a) the threshold frequency for caesium, and
(b) the wavelength of the incident light if the photocurrent is brought to zero by a stopping potential of 0.60 V.

The work function of carsium metal is 2.14eV. When light of frequency 6 xx10^14 Hz is incident on the metal surface, photoemission of electrons occurs. (h=6.6 xx 10 ^-34 js) :-Calculate the stopping potential.

The work function for Caesium atom is 1.9 eV. Calculate the threshold wavelength of the radiation. If Caesium is irradiated with a wavelength 500 nm, calculate the kinetic energy and the velocity of the ejected electron.

Work function of caesium and platinum are 2.14 eV and 5.65 eV respectively. Which one of the two metals has higher threshold wavelength? Justify.

The work function of caesium metal is 2.14 eV. When Light of frequency 6* 10^14 H_z is incident on the metal is surface, photoemission of electrons occurs. What is the maximum kinetic energy of the emitted electrons ?

The work function of caesium metal is 2.14 eV. When Light of frequency 6* 10^14 H_z is incident on the metal is surface, photoemission of electrons occurs. What is the maximum speed of the emitted photoelectrons ?