The photo-electrons emitted from a surface of sodium metal are such that
The photo-electrons emitted from a surface of sodium metal are such that
- A
They all are of the same frequency
- B
They have the same kinetic energy
- C
They have the same de Broglie wavelength
- D
They have their speeds varying from zero to a certain maximum
Similar Questions
Given below are two statements
Statement$-I :$ Two photons having equal linear momenta have equal wavelengths.
Statement$-II :$ If the wavelength of photon is decreased, then the momentum and energy of a photon will also decrease.
In the light of the above statements, choose the correct answer from the options given below.
Given below are two statements
Statement$-I :$ Two photons having equal linear momenta have equal wavelengths.
Statement$-II :$ If the wavelength of photon is decreased, then the momentum and energy of a photon will also decrease.
In the light of the above statements, choose the correct answer from the options given below.
- [JEE MAIN 2021]
The momentum of a photon with energy $20\, eV$ is
The momentum of a photon with energy $20\, eV$ is
In photoelectric effect, if a weak intensity radiation instead of strong intensity of suitable frequency is used then
In photoelectric effect, if a weak intensity radiation instead of strong intensity of suitable frequency is used then
What is energy and momentum of photon having frequency $v$ ?
What is energy and momentum of photon having frequency $v$ ?
Consider figure for photoemission.
How would you reconcile with momentum-conservation ? Note light (photons) have momentum in a different direction than the emitted electrons.
Consider figure for photoemission.
How would you reconcile with momentum-conservation ? Note light (photons) have momentum in a different direction than the emitted electrons.