On a photosensitive metal of area`1 cm^(2)` and work function 2eV, light of intensity `6.4 xx 10^(–5) W//cm^(2)` in wavelength 310 nm fall normally. If 1 out of every `10^(3)` photons are successful, then number of photoelectrons emitted in one second is 10x. Find x

A beam of electromagnetic radiation intensity 6.4xx10^(-5)W//cm^(2) is comprised of wavelength , lambda =310 nm.It falls normally on metal (work function 2 eV) of surface are 1 cm^(2) .If one in 10^(3) photons ejects an electron ,total number of electrons ejected in 1 s is 10^x [hc=1240 eV-nm ,1 eV= 1.6xx10^(-19)J ],the value of x is....

A beam of electromagnetic radiation of intensity 12.8 xx 10^(-5) W//cm^(2) is comprised of wavelength, lambda = 155 nm . It falls normally on a metal (work function phi = 2eV ) of surfacce area of the 1 cm^(2) . If one in 10^(3) photons ejects total number of electrons ejected in 1 s in 10^(x) . (hc = 1240 eVnm) 1eV = 1.6 xx 10^(-19) J =, then x is _____.

A beam of electromagnetic radiation of intensity 12.8 xx 10^(-5) W//cm^(2) is comprised of wavelength, lambda = 155 nm . It falls normally on a metal (work function phi = 2eV ) of surfacce area of the 1 cm^(2) . If one in 10^(3) photons ejects total number of electrons ejected in 1 s in 10^(x) . (hc = 1240 eVnm) 1eV = 1.6 xx 10^(-19) J =, then x is _____.

A beam of electromagnetic radiation of intensity 12.8 xx 10^(-5) W//cm^(2) is comprised of wavelength, lambda = 155 nm . It falls normally on a metal (work function phi = 2eV ) of surfacce area of the 1 cm^(2) . If one in 10^(3) photons ejects total number of electrons ejected in 1 s in 10^(x) . (hc = 1240 eVnm) 1eV = 1.6 xx 10^(-19) J =, then x is _____.

Radiation of wavelength 310 nm is incidenton a metal surface of work function 1eV . Find maximum speed of photoelectrons emitted . ( Closed value )

Radiation of wavelength 310 nm is incidenton a metal surface of work function 1eV . Find maximum speed of photoelectrons emitted . ( Closed value )

Radiation of wavelength 310 nm is incidenton a metal surface of work function 1eV . Find maximum speed of photoelectrons emitted . ( Closed value )

Light of wavelength 500 nm falls on a metal whose work function is 1.9 eV. find the energy of the Photon in eV

A stream of photons of energy 10.6 eV and intensity 2.0 W m^(-2) is incident on a platinum surface. Area of the surface is 1.0 xx 10^(-4) m^(2) and its work function is 5.6 eV. 0.53 % of incident photons emit photoelectrons. Find the number of photoelectrons emitted per second and maximum and minimum energies of the emitted photoelectrons in eV. (1eV = 1.6 xx 10^(-19)J)