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A laser puts out 4.4 W of continuous power at a wavelength of 532 nm. The...

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Chemistry

A laser puts out 4.4 W of continuous power at a wavelength of532 nm. The diameter of the laser beam is 5.1 mm

If the laser is pointed toward a pinhole with a diameter of 1.0 mm,how many photons travel through the pinhole per second? Assume thatthe light intensity is equally distributed throughout the entirecross-divisional area of the beam. (1 W = 1 J/s)

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3.6 Ratings (578 Votes)
Solution Laser put 44 W at 532 nm 532107 m Diameter of laser beam 51 mm Diameter of pinhole 10 mm Lets first calculate the energy of the laser beam E hcwavelength E    See Answer
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