A gas absorbs photon of 355nm and emits at two wavelengths.If one of the emission is at 680nm,the other is at

A gas absorbs photon of 355 nm and emits at two wavelengths. If one of the emission is at 680 nm, the other is at

A gas absorbs a photon of 310nm and emits three photons. If energy of emitted photons is in the ratio 1:2:1 then select correct statement(s) :

An atom absorbs a photon of wavelength 500nm and emits another photon of wavelength 700nm. Find the net energy absorbed by the atom in the process.

Energy of an emitted photon with wavelength 620 nm is :

There are two sources of light, each emitting with a power of 100W . One emits X-rays of wavelength 1nm and the other visible light at 500nm . Find the ratio of number of photons of X-rays to the photons of visible light of the given wavelength?

There are two sources of light, each emitting with a power of 100W . One emits X-rays of wavelength 1nm and the other visible light at 500nm . Find the ratio of number of photons of X-rays to the photons of visible light of the given wavelength?

There are materials which absorb photon of shorter wavelength and emit photons of longer wavelength. Can there be stable substances which absorb photons of larger wavelength and emit light of shorter wavelength.

A near U.V. photon of 300 nm is absorbed by a gas then reemitted as two photons. If the wave length of one photon is 700 nm, find out the wave length of second photon.

(a) An atom initally in an energy level with E = - 6.52 eV absorbs a photon that has wavelength 860 nm. What is the internal energy of the atom after it absorbs the photon? (b) An atom initially in anergy level with E =-2.68 ev emits a photon that has wavelength 420 nm. What is the internal energy of the atom after it emits the photon?

A photon of 300 nm is absorbed by a gas and then re-emits two photons . One re-emitted photon has wavelenght 4967 nm , the wavelength of second re-emitted photon is :