A laser emits a cylindrical beam of light 2.0 mm in diameter. |
Part A If the average power of the laser is 2.2 mW , what is the rms value of the electric field in the laser beam? Express your answer using two significant figures.
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A laser emits a cylindrical beam of light 2.0 mm in diameter. Part A If the...
A laser emits a cylindrical beam of light 2.9 mm in diameter. Part A If the average power of the laser is 2.4 mW , what is the rms value of the electric field in the laser beam? Express your answer using two significant figures. Erms = kV/m
A laser emits a cylindrical beam of light 2.6 mm in diameter. If the average power of the laser is 2.4 mW, what is the rms value of the electric field in the laser beam? Express your answer using two significant figures.
A laser emits a cylindrical beam of light 2.6 mm in diameter. If the average power of the laser is 2.6 mW , what is the rms value of the electric field in the laser beam? (Units for the answer is kV/m)
A helium-neon laser emits a 2.0-mm-diameter laser beam with a power of 2.0 mW . Part A What is the amplitude of the electric field of the light wave? Express your answer with the appropriate units. Part B What is the amplitude of the magnetic field of the light wave? Express your answer with the appropriate units.
A laser emits a cylindrical beam of light 2.6 mm in diameter.If the average power of the laser is 2.0 mW, what is the rms value of the electric field in thelaser beam?Erms=___kV/m
A 0.60 mW laser produces a beam of light with a diameter of 1.7 mm . the average intensity of this beam 0.26 kW/m2 At what distance does a 130 W lightbulb have the same average intensity as that found for the laser beam in part (a)? (Assume that 5.0% of the bulb's power is converted to light.)Express your answer using two significant figures. r=__________cm
A laser emits a narrow beam of light. The diameter of the beam is 3 mm, and the power is 10 mW. What is the intensity of the laser beam? The answer is 1400 W/m^2. Please show step by step how to get the answe to this problem showing formulas.
A 0.60 mW laser produces a beam of light with a diameter of 2.0 mm . 1.What is the average intensity of this beam? Iav = ___kW/m2 2.At what distance does a 160 W lightbulb have the same average intensity as that found for the laser beam in part (a)? (Assume that 5.0% of the bulb's power is converted to light.) r=___cm
A laser emits a narrow beam of light. The radius of the beam is 5.6 mm, and the power is 1.2 mW. What is the intensity of the laser beam?
A neodymium-glass laser emits short pulses of high-intensity electromagnetic waves. The electric field of such a wave has an rms value of Erms = 2.0 × 109 N/C. Find the average power of each pulse that passes through a 1.6 × 10-5-m2 surface that is perpendicular to the laser beam. A neodymium-glass laser emits short pulses of high-intensity electromagnetic waves. The electric field of such a wave has an rms value of E 2.0 x 109 NIC. Find the average...