Find the energy of the following. Express your answers in units of electron volts, noting that 1 eV = 1.60 10-19 J. (a) a photon having a frequency of 5.20 1017 Hz answer in eV (b) a photon having a wavelength of 4.20 102 nm answer in eV

Find the energy of the following. Express your answers in units of electron volts, noting that 1 eV = 1.60 10-19 J. (a) a photon having a frequency of 5.20 1017 Hz answer in eV (b) a photon having a wavelength of 4.20 102 nm answer in eV

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter6: Photons And Matter Waves

Section: Chapter Questions

Problem 86P: Show that the energy E in eV of a photon is given by E=1.241106 m/A. where A is its wavelength in...

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Concept explainers

Nature of light

Light is transverse and electromagnetic radiation that exhibits the properties of a wave as well as a particle. For this reason, light is said to have a “dual nature.”

Question

Find the energy of the following. Express your answers in units of electron volts, noting that 1 eV = 1.60 10^-19 J.

(a) a photon having a frequency of 5.20 10¹⁷ Hz
answer in eV

(b) a photon having a wavelength of 4.20 10² nm
answer in eV

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