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Question

A photon will have less energy, if its :
Wavelength is longer
Data insufficient
Wavelength is shorter
Amplitude is less

A

Wavelength is longer

B

Data insufficient

C

Wavelength is shorter

D

Amplitude is less

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Solution

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The correct option is A Wavelength is longer
$E = \frac{h c}{λ} \Rightarrow E \propto \frac{1}{λ}$
Hence, $E$ is less if $λ$ is longer.

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