NEETPhysics-Optics
NEET Physics Photon Energy MCQ Question
Type: MCQ-numerical-Medium-Class 12
The energy of a photon of light of wavelength 450 nₘ is
A
4 × 10⁻¹⁹ J
B
5 × 10⁻¹⁹ J
C
25 × 10⁻¹⁷ J
D
5 × 10⁻¹⁷ J
Correct Answer
Option B
Detailed Explanation
The energy of a photon is given by E = hc/λ. Substituting the values of h, c, and λ gives the energy as 2.5 × 10⁻¹⁹ J.
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