An important spetral emission line has a wavelength of 21 cm. The corresponding photon energy is
`(h=6.62 xx10^(-34)Js ,c=3xx10^(8)m//s)`

What is the wavelength of light . Given energy =3.03xx10^(-19)J, h=6.6xx10^(-34)JS, c=3.0xx10^(8)m//s ?

An X - ray tube produces a continuous spectrum of radiation with its shortest wavelength of 45xx10^(-2)Å . The maximum energy of a photon in the radiation in eV is (h = 6.62xx10^(-34)Js, c=3xx10^(8)ms^(-1))

An X - ray tube produces a continuous spectrum of radiation with its shortest wavelength of 45xx10^(-2)Å . The maximum energy of a photon in the radiation in eV is (h = 6.62xx10^(-34)Js, c=3xx10^(8)ms^(-1))

Frequency of photon having 100 eV energy is ……Hz [ h=6.62xx10^(-34)Js,1eV=1.6xx10^(-19)Js]

A Photon of red light having wavelength 600 nm has energy equal of (h=6.6xx10^(-34)Js) :