NEET Chemistry Orbitals MCQ Question
Calculate the energy of a photon corresponding to a wavelength of 0.50 Å.
97 × 10^-15 J
00 × 10^-16 J
48 × 10^-18 J
5.00 × 10^-17 J
Correct Answer
Detailed Explanation
The energy of a photon (E) is given by E = hc/λ, where h is Planck's constant and c is the speed of light. Using λ = 0.50 Å = 0.50 × 10^-10 m, E = (6.626 × 10^-34 Js)(3 × 10^8 m/s) / (0.50 × 10^-10 m) ≈ 3.97 × 10^-15 J.
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