Home Physics Atomic and Nuclear Physics Atomic Structure If the energy of a photon corresponding to a…
Physics Atomic and Nuclear Physics Atomic Structure MCQ (Single Correct)

If the energy of a photon corresponding to a wavelength of is joule, the photon energy (in joule) for a wavelength of will be

A
B

C
D

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The correct answer is:
D

Photon energy ( ) is inversely proportional to its wavelength ( ), represented by the formula:

Because Planck's constant ( ) and the speed of light ( ) are constant, we can set up a ratio between the two states:

Solving for :

Given:

Plug in the values:

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