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 = 2.50 109 N/C. Find the average power of each pulse that passes through a 2.40 10-5 m2 surface that is perpendicular to the beam.
A neodymium-glass laser emits short pulses of high-intensity electromagnetic waves. The electric field of such a...
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...
Chapter 24 Electromagnetic Waves 6. A neodymium-glass laser emits short pulses of high-intensity of electromagnetic waves. The electric field of such a laser pulse has an rms value of Ems = 8.0 x 10' N/C. (a) Determine the average power of each pulse that passes through the cross-sectional area of of the laser beam A -5.05 x 10-5 m. (b) Determine the average intensity of this laser in W/m². - 4-
Very short pulses of high-intensity laser beams are used to repair detached portions of the retina of the eye. The brief pulses of energy absorbed by the retina welds the detached portion back into place. In one such procedure, a laser beam has a wavelength of 810 nm and delivers 250 mW of power spread over a circular spot 510 μm in diameter. The vitreous humor (the transparent fluid that fills most of the eye) has an index of refraction...
1. A high energy pulsed laser emits 1.50 nano second-long pulse of average power 1.70 × 10 11 W. The beam is cylindrical with 1.70 mm in radius. Determine the rms value of the B-field? 2. What is the total energy transported per hour along a narrow cylindrical laser beam 1.70 mm in diameter, whose E-field has an rms strength of 2.40×10−22.40×10−2 N/C ?
Question 20 1 pts The rms value of the electric field in an electromagnetic wave is Erms - 200 V/m. The intensity of this wave is approximately 53.1 W/m2 106 W/m2 1.59 < 1010 W/m2 3.18 * 1010 W/m2 1.70 KW/m2 Notrew data to save. Last checked at 12:52pm Submit Quiz
A LASIK vision correction system uses a laser that emits 11 ns -long pulses of light, each with 3.5 mJ of energy. The laser is focused to a 0.90 mm -diameter circle.Part A What is the average power of each laser pulse?Part B What is the intensity of the laser light at the focus point? Part CSubmit Part What is the peak electric field strength of the laser light at the focus point? Part D What is the peak magnetic field strength of the...
(1.0.10) In femtosecond laser spectroscopy, a laser pulse is created which is so short that the entire pulse arrives at a fixed target in well under 1.0 ns. Suppose a 50.0 fs (f = 10-15) laser pulse with a circular cross-section is created. The power delivered by the pulse to a target is 10.0 kW, and the diameter of the beam is 20 µm. (a) What is the length of the pulse? (b) What is the intensity of the pulse?...
2. HeNe LASER: ENERGY IN ELECTROMAGNETIC WAVES: (problem 24-32): PART A: Assume the helium-neon lasers commonly used in student physics laboratories have power out- puts of 0.450 mW. If such a laser beam is projected onto a circular spot 1.00 mm in diameter, what is its intensity? PART B: Find the peak electric field strength. PART C: Find the peak magnetic field strength.
Texto Chapter-32. Electromagnetle Induction 4. A single square koop with a resistance of R-90 is pushed to the left at a constant speed of V-bar 40 ore All the instant shown in the figure, the loop is partially in and partially out of a uniform magnetic field into the paper. An induced current flows from left right through the resistor, as shown. Determine the magnitude of the induced current through the ► 20A BA Reges containing et te 02A D)...
(8%) Problem 11: Lasers can be constructed to produce an extremely high-intensity electromagnetic wave for a very brief time Such lasers are called "pulsed lasers". They are used to ignite nuclear fusion, for example. Such a laser may produce an electromagnetic wave with a maximum electric field strength of 0.18 x 101 V /m for a time of 0.75 ns Randomized Variables Eo 0.18 x 1011 V/m t= 0.75 ns 33% Part (a) What is the maximum magnetic field strength...