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Electromagnetic Waves — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectromagnetic Waves1 Mark
Question
For which frequency of light, the human eye is most sensitive?
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Answer

Human eye is sensitive to light of wavelength $➔ \lambda = 5550$ angstrom.
So its frequency is $\text{v}=\frac{\text{c}}{\lambda}$
$\text{v} =\frac{5550}{3 \times 10^8} \times 10^{-10}$
$v = 5.405 \times 10^{14} Hz$

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