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Q: 11.7 (b) A sodium lamp radiates energy uniformly in all directions. The lamp is located at the centre of a large sphere that absorbs all the sodium light which is incident on it. The wavelength of the sodium light is
. At what rate are the photons delivered to the sphere?
Answers (1)
Power of the sodium lamp=100W
The rate at which photons are delivered to the sphere is given by
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