does light exert pressure explain with example..
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Photons can exert force on matter, a phenomenon known as radiation pressure. However it is not the kinetic energy of a photon which excites atomic electrons into higher orbits. Instead the photon has a certain energy E=hv (where v is the frequency), when a photon with an energy corresponding to the energy difference between one 'orbit' and another is absorbed by the atom it will excite that electron to a higher level instantaneously ( a quantum transition), once in this excited state, the atom can spontaneously de-excite by releasing a photon with the same energy once again returning to the lower energy state. The instantaneous transition is know as a quantum jump or leap and cannot be explained by classical physics. The noble prize for physics last year was awarded partially for witnessing these quantum jump.
Hope this clears your doubt.
Kindly mark the answer as brainliest if you find it useful.
Here's what you were looking for:
Photons can exert force on matter, a phenomenon known as radiation pressure. However it is not the kinetic energy of a photon which excites atomic electrons into higher orbits. Instead the photon has a certain energy E=hv (where v is the frequency), when a photon with an energy corresponding to the energy difference between one 'orbit' and another is absorbed by the atom it will excite that electron to a higher level instantaneously ( a quantum transition), once in this excited state, the atom can spontaneously de-excite by releasing a photon with the same energy once again returning to the lower energy state. The instantaneous transition is know as a quantum jump or leap and cannot be explained by classical physics. The noble prize for physics last year was awarded partially for witnessing these quantum jump.
Hope this clears your doubt.
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