Energy of photon in eV having wavelength 124 Armstrong will be ( h=6 6 10^-34) - Chemistry - Structure of Atom

Question

Energy of photon in eV having wavelength 124 Armstrong will be (
h=6 6?10^-34)

Animesh Paul · Accepted Answer

Dear student,

Wavelength (λ) = 124 A0 E = hcλ = 6
6 × 10-34 × 3 × 108124 × 10-10 = 0
1596 × 10-16 JEnergy in eV = 0
1596 × 10-161
6 × 10-19 = 99 75 eV

Regards

Energy of photon in eV having wavelength 124 Armstrong will be ( h=6.6?10^-34)