[" How many photons of light having a wavelength "],[" of "5000 AA" necessary to provide "1" joule of "],[" energy? "]

How many photons of lights having a wave length of 5000 A are necessary to provide 1 Joule of energy?

How many photons of lights having a wave length of 5000 A are necessary to provide 1 Joule of energy?

How many photons of lights having a wave length of 5000 A are necessary to provide 1 Joule of energy?

How many photons of light with a wave length of 400 pm are necessary to provide on joule of energy ?

How many photons of light with a wave length of 4000 pm are necessary to provide one joule of energy?

How many photons of light with a wave length of 4000 pm are necessary to provide one joule of energy?

The photons of light having a wavelength 4000 Å are necessary to provide 1.00 J of energy are.

Number of photons of light with a wave length of 4000 pm necessary to provide one joule of energy approximately x xx 10^(16) . Then r is ______