Which wavelength given below corresponds the lowest photon energy? O475 nm 450 nm 550 nm O 650 nm

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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**Question:**

Which wavelength given below corresponds to the lowest photon energy?

- 475 nm
- 450 nm
- 550 nm
- 650 nm

**Explanation:**

Photon energy is inversely related to wavelength, as described by the equation \( E = \frac{hc}{\lambda} \), where:
- \( E \) is the energy,
- \( h \) is Planck's constant,
- \( c \) is the speed of light,
- \( \lambda \) is the wavelength.

Thus, longer wavelengths correspond to lower photon energy. Among the options provided, 650 nm is the longest wavelength and therefore corresponds to the lowest photon energy.
Transcribed Image Text:**Question:** Which wavelength given below corresponds to the lowest photon energy? - 475 nm - 450 nm - 550 nm - 650 nm **Explanation:** Photon energy is inversely related to wavelength, as described by the equation \( E = \frac{hc}{\lambda} \), where: - \( E \) is the energy, - \( h \) is Planck's constant, - \( c \) is the speed of light, - \( \lambda \) is the wavelength. Thus, longer wavelengths correspond to lower photon energy. Among the options provided, 650 nm is the longest wavelength and therefore corresponds to the lowest photon energy.
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