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How Many Photons Per Second Emerge from a Laser of Power

question 31

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How many photons per second emerge from a laser of power How many photons per second emerge from a laser of power with wavelength (c = 3.00 × 10<sup>8</sup> m/s,h = 6.626 × 10<sup>-34</sup> J ∙ s) A) 6.09 × 10<sup>15</sup> photons/s B) 5.03 × 10<sup>12</sup> photons/s C) 3.07 × 10<sup>15</sup> photons/s D) 3.07 × 10<sup>13</sup> photons/s with wavelength How many photons per second emerge from a laser of power with wavelength (c = 3.00 × 10<sup>8</sup> m/s,h = 6.626 × 10<sup>-34</sup> J ∙ s) A) 6.09 × 10<sup>15</sup> photons/s B) 5.03 × 10<sup>12</sup> photons/s C) 3.07 × 10<sup>15</sup> photons/s D) 3.07 × 10<sup>13</sup> photons/s (c = 3.00 × 108 m/s,h = 6.626 × 10-34 J ∙ s)

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