A laser pointer outputs a beam with a circular spot 4 mm in diameter. Its peak magnetic field is 5*10^-6 T. What is the beam intensity? What is the output power of the laser pointer?
A laser pointer outputs a beam with a circular spot 4 mm in diameter. Its peak...
A laser pointer delivers an average power of 2 mW in a circular beam of 2 mm diameter. What is the average energy density in the beam? 0.75E-6 J/cubic meter C 1.5E-6 J/cubic meter C 2.1E-6 J/cubic meter C 4.4E-6 J/cubic meter C 7.6E-6 J/cubic meter Question 11 5 pts A flat circular coil of 1 cm radius is rotated at 10 revolutions per second about an axis that is perpendicular to a uniform magnetic field of magnitude 2.5 T....
The helium-neon lasers most commonly used in student physics laboratories have average power outputs of 0.250 mW. (a) If such a laser beam is projected onto a circular spot 3.96 mm in diameter, what is its intensity? W/m2 (b) Find the peak electric field strength. V/m (c) Find the peak magnetic field strength.
The helium-neon lasers most commonly used in student physics laboratories have average power outputs of 0.250 mw. (a) If such a laser beam is projected onto a circular spot 4.62 mm in diameter, what is its intensity? W/m2 (b) Find the peak electric field strength V/m (c) Find the peak magnetic field strength. Additional Materials
Assume the hellum-neon lasers commonly used in student physios laboratories have power outputs of 0.250 mW (a) If such a laser beam is projected onto a circular spot 3.10 mm in diameter what is its intensity (in watts per meter squared)? 33.123 W/m2 (b) Find the peak magnetic field strength (in teslas). T (c) Find the peak electric field strength (in volts per meter), V/m
A laser pointer delivers an average power of 2 mWin a circular beam of 2 mm diameter. What is the average energy density in the beam? O 0.75E-6 cubic meter O 1.5E-6 cubic meter O 2.10-6 Mubic meter 44E-6 cubic meter 7.6E-6 cubic meter
Please pay attention to units and provide an integer. Assume a laser has a power outputs of 4.8 mW If the laser beam is projected onto a circular spot 1.97 mm in diameter what is its intensity in Wlm Enter an interger.
A laser pointer delivers an average power of 2 mW in a circular beam of 2 mm diameter. What is the average energy density in the beam?
A laser pointer delivers an average power of 2 mW in a circular beam of 2 mm diameter. What is the average energy density in the beam?
A laser pointer delivers an average power of 2 mW in a circular beam of 2 mm diameter. What is the average energy density in the beam?
A laser pointer delivers an average power of 2 mW in a circular beam of 2 mm diameter. What is the average energy density in the beam?