(a) Calculate the wavelength of light in vacuum that has a
frequency of 5.42 ✕ 1018 Hz.
nm
(b) What is its wavelength in diamond?
nm
(c) Calculate the energy of one photon of such light in vacuum.
Express the answer in electron volts.
eV
(d) Does the energy of the photon change when it enters the
diamond?
The energy of the photon changes. The energy of the photon does not change.
Explain.
(a) Calculate the wavelength of light in vacuum that has a frequency of 5.42 ✕ 1018...
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