Castilla-La Mancha PAU Chemistry (Química - UCLM 2026) Practice Questions - Castilla-La Mancha PAU Chemistry (Química - UCLM 2026) Exam

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Calculate the energy of a photon of electromagnetic radiation with a wavelength λ = 500 nm in a vacuum. (Given: h = 6.626 · 10⁻³⁴ J·s, c = 3 · 10⁸ m/s).

1.33 · 10⁻²⁷ J 9.94 · 10⁻³¹ J 3.98 · 10⁻¹⁹ J 5.96 · 10⁻¹⁷ J

Correct Answer:

3.98 · 10⁻¹⁹ J

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