Light of frequency `7.21 xx 10^14 Hz` is incident on a metal surface. Electrons with a maximum speed of `6.0 xx 10^5 ms^-1` are ejected from the surface. What is the threshold frequency for photoemission of electrons?

Calculate the wavelength of an electron moving with a velocity of 2.05 xx 10^7 ms^-1 .

Light of frequency 4nu_0 is incident on the metal of the threshold frequency nu_0 . The maximum kinetic energy of the emitted photoelectric is

The work function of caesium metal is 2.14 eV. When light of frequency 6 xx 10^14 Hz is incident on the metal surface, photoemission of electrons occurs. What is the maximum speed of the emmited photoelectrons ?

The work function of caesium metal is 2.14 eV. When light of frequency 6 xx 10^14 Hz is incident on the metal 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 xx 10^14 Hz is incident on the metal surface, photoemission of electrons occurs.What is the stopping potential ?

The photoelectric work function for a metal surface is 2.4eV.If a light of wavelength 5000Ais incident on the surface of the metal, find the threshold frequency and incident frequency. Will there be emission of photoelectrons or not?

For a certain metal nu = 2 nu_0 and the electrons come out with a maximum velocity of 4 xx 10^6 m/s . If the value of nu = 5 nu_0 , then maximum velocity of the photoelectrons will be

When light of wavelength 6000oerset@A falls on a metal surface, photoelectrons are emitted from it with a velocity of 2 xx 10^5ms-1 .Calculate the work function of the metal in eV.

The work function for a metal surface is 2.2 eV. If light of wavelength 5000 overset (@)(A) isincident on the surface of the metal,find the threshold frequency and incident frequency.Will there be an emission of photoelectrons or not?