Work function of sodium is 2.3 eV. Find out the energy of photon of the orange light of sodium. Does sodium show photoelectric emission for orange light of wavelength, `lamda = 6800 Å`? Given, `h = 6.63 xx 10^(-34)J.s`

What is the mass of a photon of sodium light with a wavelength of 5890 Å? [h = 6.626 xx 10^(-34) Js]

The number of photons emitted per second by a 60 W source of monochromatic light of wavelength 663 nm is (h= 6.63xx10^(-34) Js)

Write down Einstein's photoelectric equation and mention the symbols used. The photoelectric threshold wavelength for a certain metal is 400 nm. Find the maximum kinetic energy of the emitted electrons from the metal surface by ultraviolet light of wavelength 200 nm. Given, h= 6.63 xx 10^(-34) J.s

How many photons of light with wavelength 400 nm can provide 1 J energy? [h=6.626xx10^(-34)J*s]

How many photons will a source of power 50W produce per second? The wavelength of an emitted photon is 6000 Å . Given , h = 6.62xx10^(-34)J.s

Find the number of photons emitted per second by a source of power 25W. Assume, wavelength of emitted light = 6000Å. h = 6.62 xx 10^(-34)J.s

How many photons of wavelength , 50 Å are required to produce 0.2 J of energy ? ( h = 6.626 xx 10^(-34) J *s )

The work function of silver and sodium are 4.6 eV and 2.3 eV respectively. What is the ratio of slope of stopping potential versus frequency plot for silver to that of sodium?

Calculate the energy of each quantum of an electromagnetic radiation of wavelength 5000 Å [h=6.626xx10^(-34)J*s ].

Maximum kinetic energy of the released photoelectrons emitted from metallic sodium, when a light is incident on it, 0.73 eV. If the work function of sodium is 1.82eV, find the energy of the incident photon in eV. Find wavelength of incident light. ( h = 6.63 xx 10^(-27) erg. s, 1eV = 1.6 xx 10^(-12) erg)