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A laser had a power output of 2mW and a beam diameter of 2mm. (A) what is...

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Physics

Alaser had a power output of 2mW and a beam diameter of 2mm. (A)what is the amplitude of the electric field in the electromagneticwaves emitted by this device? Find (b) the total energy in a 2meter length of the laser beam and (c) the momentum transferred toa perfect mirror by this laser beam. (D) the index of refraction ofwater is about 1.33. What is the wavelength in water of a lightwave whose wavelength in air is 600 mm.

Answer & Explanation Solved by verified expert
3.6 Ratings (521 Votes)
Given Power of Beam 2 103 W Radius of Beam 22 103 m 1 103 m 0 4107 H a Intensity of laser S Power of Beam Area S 2 103 W 314 1 1032 S    See Answer
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