The energy of a photon of wavelength 400 nm is approximately (take hc = 1240 eV nm)

(B) 3.1 eV. Concept. Photon energy E = (hc)/(λ). Step 1. Substitute. (1240)/(400) = 3.1 eV. Answer. 3.1 eV (Option B).

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Dual Nature of Radiation and Matter question for NEET, with solution

Q 12-11-001NEETEasy

The energy of a photon of wavelength $400\ \text{nm}$ is approximately (take $hc = 1240\ \text{eV nm}$)