Short-wavelength uv is sometimes called vacuum uv, because it is strongly absorbed by air and must be studied in a vacuum. calculate the photon energy in ev for 100-nm vacuum uv, and estimate the number of molecules it could ionize or break apart.

Energy of photon, E = 12.43 eV

Explanation:

It is given that,

Wavelength of UV vacuum,

Energy of photon is given by :

h = Planck's constant

c = speed of light

or

E = 12.43 eV

So, the energy of the photon is 12.43 eV. Hence, this is the required solution.

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