The work function for the surface of aluminium is 4.2 eV. What will be the wavelenght of that incident light for which the stopping potential will be zero.
`(h=6.6xx10^(-34)J-se=1.6xx10^(-19)C)`

The work function for the surface of aluminium is 4.2 eV. What will be the wavelength of that incident light for which the stopping potential will be zero

(a) The work function for the surface of aluminium is 4.2eV. How much potential difference will be required to stop the emission of maximum energy electrons emitted by light of 2000Å wavelenght? (b) What will be the wavelength of that incident light for which stopping potential will be zero ? h=6.6xx10^(-34) Js, c=3xx10^8ms^-1 .

(a) The work function for the surface of aluminium is 4.2eV. Find potential difference will be required to stop the emission of maximum kinetic energy photoelectrons emitted by light of 1800Å wavelenght? (b) Determine the wavelength of that incident light for which stopping potential will be zero? (h=6.6xx10^(-34))

When light of wavelength 400nm is incident on the cathode of photocell, the stopping potential recorded is 6V. If the wavelength of the incident light is to 600nm, calculate the new stopping potential. [Given h=6.6xx10^(-34) Js, c=3xx10^(8)m//s , e=1.6xx10^(-19)C ]

When light of wavelength 400nm is incident on the cathode of photocell, the stopping potential recorded is 6V. If the wavelength of the incident light is to 600nm, calculate the new stopping potential. [Given h=6.6xx10^(-34) Js, c=3xx10^(8)m//s , e=1.6xx10^(-19)C ]

Calculate the wavelength of light incident on a material of work function 2.0 eV if the stopping potential is 1.0 V . Given h = 6.625 xx10^(-34) Js and mass of electron =9.1xx10^(-31) kg

If the work function of a and is 3 eV, calculate the threshold wavelength of that metal. (Velocity of light =3xx10^(8)m//s Planck's constant= 6.63xx10^(-34)J-s,1eV=1.6xx10^(-19) )

Ultraviolet light by wavelength 200 nm is incident on the polished surface of Fe(Iron). The work function of the surface is 4.71 eV. What will be its stopping potential ? (h = 6.626xx10^(-34) J s, 1 eV = 1.6 xx10^(-19)J,)

Ultraviolet light by wavelength 200 nm is incident on the polished surface of Fe(Iron). The work function of the surface is 4.71 eV. What will be its stopping potential ? (h = 6.626xx10^(-34) J s, 1 eV = 1.6 xx10^(-19)J,)