Between a photon of violet light with a wavel | vedclass

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Question

(A) The energy of a photon is given by the formula $E = \frac{hc}{\lambda}$.Since $E \propto \frac{1}{\lambda}$,the photon with the shorter wavelength

Vedclass · Accepted Answer

$E_{	ext{violet}}$

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(A) The energy of a photon is given by the formula $E = \frac{hc}{\lambda}$.Since $E \propto \frac{1}{\lambda}$,the photon with the shorter wavelength has higher energy.For violet light,$\lambda_{	ext{violet}} = 4000 \ \mathop A\limits^o$.For red light,$\lambda_{	ext{red}} = 7000 \ \mathop A\limits^o$.Since $4000 \ \mathop A\limits^o Therefore,$E_{	ext{violet}} > E_{	ext{red}}$.

Between a photon of violet light with a wavelength of $4000 \ \mathop A\limits^o$ and a photon of red light with a wavelength of $7000 \ \mathop A\limits^o$,which one has higher energy?

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