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A beam of microwave radiation of frequency 4.3 GHz is carrying 8.82 x 1021 photons/s. What is the power of the beam? Planck's constant is

A beam of microwave radiation of frequency 4.3 GHz is carrying 8.82 x 1021 photons/s. What is the power of the beam? Planck's constant is 6.63 x 10 J . s. Answer in units of W

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