Photon Energy: A photon of blue light and a photon of red light are traveling in vacuum. The photon of blue light
A. has a smaller wavelength than a photon of red light and travels with the same speed.
B. has a smaller wavelength than a photon of red light and travels with a greater speed.
C. has a longer wavelength than a photon of red light and travels with the same speed.
D. has a longer wavelength than a photon of red light and travels with a greater speed.
Answer: A
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