Physics (5th Edition)
5th Edition
ISBN: 9780134051802
Author: Walker
Publisher: PEARSON
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Chapter 25, Problem 66PCE
BIO Laser Surgery Each pulse produced by an argon-fluoride excimer laser used in PRK and LASIK ophthalmic surgery lasts only 10.0 ns but delivers an energy of 2.50 mJ. (a) What is the power produced during each pulse? (b) If the beam has a diameter of 0 850 mm what is the average intensity of the beam during each pulse? (c) If the laser emits 55 pulses per second, what is the average power it generates?
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Chapter 25 Solutions
Physics (5th Edition)
Ch. 25.1 - Enhance Your Understanding (Answers given at the...Ch. 25.2 - A distant galaxy is moving away from the Earth....Ch. 25.3 - If the frequency of an electromagnetic wave is...Ch. 25.4 - Prob. 4EYUCh. 25.5 - In the system shown in Figure 25-36, a vertically...Ch. 25 - Explain why the invisible man would be unable to...Ch. 25 - While wearing your Polaroid sunglasses at the...Ch. 25 - You want to check the tine while wearing your...Ch. 25 - BIO Polarization and the Ground Spider The ground...Ch. 25 - You are given a sheet of Polaroid material....
Ch. 25 - Can sound waves be polarized? Explain.Ch. 25 - At a garage sale you find a pair of Polaroid...Ch. 25 - If the electric field in an electromagnetic wave...Ch. 25 - Prob. 2PCECh. 25 - Prob. 3PCECh. 25 - Prob. 4PCECh. 25 - Give the direction (N, S, E, W, up, or down) of...Ch. 25 - Prob. 6PCECh. 25 - Prob. 7PCECh. 25 - The light year (ly) is a unit of distance commonly...Ch. 25 - Alpha Centauri, the closest star to the Sun, is...Ch. 25 - Prob. 10PCECh. 25 - A fighter jet is traveling at 515 m/s directly...Ch. 25 - A distant star is traveling directly away from...Ch. 25 - Prob. 13PCECh. 25 - Prob. 14PCECh. 25 - Prob. 15PCECh. 25 - Prob. 16PCECh. 25 - Communicating with the Voyager Spacecraft The...Ch. 25 - A father and his daughter are interested in the...Ch. 25 - Prob. 19PCECh. 25 - Prob. 20PCECh. 25 - Prob. 21PCECh. 25 - Baseball scouts often use a radar gun to measure...Ch. 25 - A state highway patrol car radar unit uses a...Ch. 25 - Prob. 24PCECh. 25 - Prob. 25PCECh. 25 - BIO Dental X-rays The X-rays produced in the...Ch. 25 - Find the frequency of green light with a...Ch. 25 - Prob. 28PCECh. 25 - How many led wavelengths ( = 705 nm) tall are you?Ch. 25 - A cell phone transmits at a frequency of 1.94 ...Ch. 25 - Microwave Oven If a microwave oven produces...Ch. 25 - BIO Human Radiation Under normal conditions,...Ch. 25 - BIO UV Radiation Ultraviolet light is typically...Ch. 25 - Prob. 34PCECh. 25 - Predict/Calculate When an electromagnetic wave...Ch. 25 - Predict/ Calculate (a) Which color of light has...Ch. 25 - Prob. 37PCECh. 25 - A television is tuned to a station broadcasting at...Ch. 25 - An AM radio stations antenna is constructed to be...Ch. 25 - Prob. 40PCECh. 25 - Find the difference in wavelength (1 2) for each...Ch. 25 - Synchrotron Frequency In one portion of a...Ch. 25 - Prob. 43PCECh. 25 - Prob. 44PCECh. 25 - Prob. 45PCECh. 25 - What is the rms value of the electric field in a...Ch. 25 - The magnetic field in an electromagnetic wave has...Ch. 25 - What is the maximum value of the electric field in...Ch. 25 - What is the maximum value of the electric field in...Ch. 25 - Predict/Calculate Electromagnetic wave 1 has a...Ch. 25 - A 75-kW radio station broadcasts its signal...Ch. 25 - At what distance will a 45-W lightbulb have the...Ch. 25 - What is the ratio of the sunlight intensity...Ch. 25 - Predict/Calculate In the following, assume that...Ch. 25 - Prob. 55PCECh. 25 - Prob. 56PCECh. 25 - Sunlight Intensity After filtering through the...Ch. 25 - Predict/Calculate (a) Find the electric and...Ch. 25 - Prob. 59PCECh. 25 - BIO You are standing 2.5 m from a 150-W lightbulb....Ch. 25 - Prob. 61PCECh. 25 - Find the rms electric and magnetic fields al a...Ch. 25 - Prob. 63PCECh. 25 - Prob. 64PCECh. 25 - Prob. 65PCECh. 25 - BIO Laser Surgery Each pulse produced by an...Ch. 25 - Prob. 67PCECh. 25 - Predict Explain Consider the two polarization...Ch. 25 - Predict/Explain Consider the two polarization...Ch. 25 - An incident beam of light with an intensityl0....Ch. 25 - Vertically polarized light with an intensity of...Ch. 25 - A person riding in a boat observes that the...Ch. 25 - Unpolarized light passes through two polarizers...Ch. 25 - In Problem 73, what should be the angle between...Ch. 25 - Unpolarized light is incident with intensity /0 on...Ch. 25 - Predict/Calculate A beam of vertically polarized...Ch. 25 - Predict/Calculate Repeat Problem 76, this time...Ch. 25 - BIO Predict/Calculate Optical Activity Optically...Ch. 25 - A helium-noon laser omits a beam of unpolarizod...Ch. 25 - Referring to Figure 25-46, suppose that filter 3...Ch. 25 - Prob. 81GPCh. 25 - CE If sailors of the future use radiation pressure...Ch. 25 - Prob. 83GPCh. 25 - BIO Radiofrequency Ablation In radiofrequency (RF)...Ch. 25 - Predict/Calculate At a particular instant of time,...Ch. 25 - Predict/Calculate A light beam traveling in the...Ch. 25 - Figure 25-47 shows four polarization experiments...Ch. 25 - Lightning and Thunder During a thunderstorm a bolt...Ch. 25 - Prob. 89GPCh. 25 - Prob. 90GPCh. 25 - Predict/Calculate Suppose the distance to the...Ch. 25 - BIO Predict/Calculate Consider the physical...Ch. 25 - BIO Polaroid Vision in a Spider Experiments show...Ch. 25 - A state highway patrol car radar unit uses a...Ch. 25 - What is the ratio of the sunlight intensity...Ch. 25 - What area is needed for a solar collector to...Ch. 25 - Prob. 97GPCh. 25 - Three polarizers are arranged as shown in Figure...Ch. 25 - Prob. 99GPCh. 25 - Orbital Drift The radiation pressure exerted by...Ch. 25 - A lightbulb emits light uniformly in all...Ch. 25 - Radio Reception A 125-kW radio station broadcasts...Ch. 25 - Light Rocket Stranded 12 m from your spacecraft,...Ch. 25 - A typical home may require a total of 2.00 103...Ch. 25 - Prob. 105GPCh. 25 - Predict/Calculate A typical laser used in...Ch. 25 - Four polarizers are set up so that the...Ch. 25 - BIO Optical Activity of Sugar The sugar...Ch. 25 - Visible-Light Curing in Dentistry An essential...Ch. 25 - Visible-Light Curing in Dentistry An essential...Ch. 25 - Visible-Light Curing in Dentistry An essential...Ch. 25 - Visible-Light Curing in Dentistry An essential...Ch. 25 - Predict/Calculate Referring to Example 25-12...Ch. 25 - Referring to Example 25-12 Suppose the incident...
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