The work function of a metal is
The work function of a metal is
- A
The energy for the electron to enter into the metal
- B
The energy for producing $X-$ ray
- C
The energy for the electron to come out from metal surface
- D
None of these
Similar Questions
The force on a hemisphere of radius $1\, cm$ if a parallel beam of monochromatic light of wavelength $500\, nm$. falls on it with an intensity of $0.5\, W/cm^2$, striking the curved surface in a direction which is perpendicular to the flat face of the hemisphere is (assume the collisions to be perfectly inelastic)
The force on a hemisphere of radius $1\, cm$ if a parallel beam of monochromatic light of wavelength $500\, nm$. falls on it with an intensity of $0.5\, W/cm^2$, striking the curved surface in a direction which is perpendicular to the flat face of the hemisphere is (assume the collisions to be perfectly inelastic)
- [AIIMS 2009]
Which of the following is incorrect statement regarding photon
Which of the following is incorrect statement regarding photon
The work function of aluminium is $4.2eV.$ If two photons, each of energy $3.5 eV$strike an electron of aluminium, then emission of electrons will be
The work function of aluminium is $4.2eV.$ If two photons, each of energy $3.5 eV$strike an electron of aluminium, then emission of electrons will be
Write equation of energy of photon.
Write equation of energy of photon.
The threshold wavelength for photoelectric emission from a material is $5200\, \mathring A$. Photo-electrons will be emitted when this material is illuminated with monochromatic radiation from a
- [IIT 1982]