A silver balll is suspended by a string in a vacuum chamber and ultraviolet light of wavelength `2000 Å` is directed at it. What electrical potential will the ball acquire as a result? Work function of silver is 4.3 eV.

A silver ball is suspendend by a string in a vacuum chamber and ultraviolet light of wavelength 200 nm is directed at it. What electrical potential will the ball acquire as a result of it, if work function of silver is 4.7 eV ? [h=6.6xx10^(-34) J-s and c=3xx10^(8) m//sec]

A silver ball of radius 4.8 cm is suspended by a thread in a vacuum chamber, Ultraviolet light of wavelength 200nm is incident on the ball for some time during which a total light energy of 1.0 xx 10^-7 J falls on the surface. Assuming that on the average one photon out of every ten thousand is able to eject a photoelectron, find the electric potential at the surface of the ball assuming zero potential at infinity. What is the potential at the centre of the ball?

A silver ball of radius 4.8 cm is suspended by a thread in a vacuum chamber, Ultraviolet light of wavelength 200nm is incident on the ball for some time during which a total light energy of 1.0 xx 10^-7 J falls on the surface. Assuming that on the average one photon out of every ten thousand is able to eject a photoelectron, find the electric potential at the surface of the ball assuming zero potential at infinity. What is the potential at the centre of the ball?

A silver ball of radius 4.8 cn is suspended by a thread in a cacuum chamber, Ultraviolet light of wavelength 200nm is incident on the ball for some time during which a total light energy of 1.0 xx (10^-7) J falls on the surface. Assuming that on the average one photon out of every ten thousand is able to eject a photoelectron, find the electric potential at the surface of the ball assuming zero potential at infinity. What is the potential at the centre of the ball?

An ultraviolet light of wavelength 2000 Å irradiates a photo cell made of molybdenum metal . If the stopping potential is -1.5 V , what is the work function of the metal ?

A sheet of silver is illuminated by monochromatic ultraviolet light of wavelength = 1810 Å . What is the maximum energy of the emitted electron ? Threshold wavelength of silver is 2640 Å .

Find the threshold wavelength of light that would produce photoelectrons for a silver surface . The work function for silver is 4.8 eV

Find the threshold wavelength of light that would produce photoelectrons for a silver surface . The work function for silver is 4.8 eV

Work function of nickel is 5.01 eV. When ultraviolet radiation of wavelength 200 Å is incident on it, electrons are emitted. What will be the maximum velocity of emitted electrons?