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Lasers: How Many Photons Per Second Emerge from a Laser

Question 11

Multiple Choice

Lasers: How many photons per second emerge from a laser of power Lasers: 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 Lasers: 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)


A) 6.09 × 1015 photons/s
B) 5.03 × 1012 photons/s
C) 3.07 × 1015 photons/s
D) 3.07 × 1013 photons/s

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