Question

Wavelength for high energy EMR transition in h atom is 91nm. What is needed for this transition?

Answer 1

Explanation:

itzcrazyBoy

◆ Answer -

(d) 13.6 eV

◆ Explaination -

Energy required for transition of electron in H-atom is given by -

E = hc/λ

E = 6.63×10^-34 × 3×10^8 / 91×10^-9

E = 2.186×10^-18 J

Our options are in eV. So let's convert this to eV.

E = 2.186×10^-18 / 1.6×10^-19

E = 13.66 eV

Therefore, energy needed for transition is 13.66 eV.

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