What is the energy of a photon of visible light that has a...

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Key Concepts

Photon Energy

Photon energy is the quantized amount of energy carried by a photon, which is determined by its frequency or wavelength. The relationship is expressed by the equation E = hf or E = hc/?, meaning that each photon has a discrete energy directly proportional to its frequency and inversely proportional to its wavelength.

Planck's Constant

Planck's constant is a fundamental physical constant in quantum mechanics that relates the energy of a photon to its frequency. It sets the scale for the quantization of energy and is an essential component in the equation used to calculate photon energy.

Speed of Light

The speed of light is the universal constant that represents the rate at which light and all electromagnetic radiation travel in a vacuum. It is a key factor in the equation E = hc/?, linking the photon’s wavelength with its energy.

Wavelength

Wavelength is the maximum distance between consecutive points of a wave that are in phase, such as crests or troughs. In the context of electromagnetic radiation, a photon’s energy is inversely related to its wavelength: shorter wavelengths correspond to higher photon energies.

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