A 150 mw laser puts out a narrow beam 200 mm indiameter
A 15.0 mW laser puts out a narrow beam 2.00 mm indiameter. What is the average (rms) value of the electricfield?
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a fire engine moving to the right at 40 ms sound its horn frequency 500 hz at the two vehicles shown in the figure the
monochromatic light is incident on a grating that is 75 mmwide and ruled with 50000 lines the second-order maximum
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a 150 mw laser puts out a narrow beam 200 mm indiameter what is the average rms value of the
an organ pipe is 20 m long assume the pipe is cylindrical withone closed and one open enda what is the longest
three 10-c charges are equally spaced on a straight line the separation of each charge from its neighbor is 100m find
a projectile is fired up into the air at a speed of 119 ms at an angle of 23deg relative to the horizontal determine
an excited iron fe nucleus mass 57u decays to its groundstate with the emission of a photon the energy availabel from
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