A light detector has an absorbing area of m2 and absorbs
Chapter , Problem 14(choose chapter or problem)
A light detector has an absorbing area of m2 and absorbs 50% of the incident light, which is at wavelength 600 nm. The detector faces an isotropic source, 12.0 m from the source. The energy E emitted by the source versus time t is given in Fig. 38-26 (Es = 7.2 nJ, ts = 2.0 s). At what rate are photons absorbed by the detector?
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