Find how many photons per second are emitted by the laser

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Reference no: EM13513629

A He-Ne laser produces light of wavelength 633 nm with intensity 1.09 103 W/m2, over a beam of cross-sectional area 1.04 mm2. How many photons per second are emitted by the laser?

________ photons/s

Reference no: EM13513629

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