Essential University Physics
4th Edition
ISBN: 9780134988566
Author: Wolfson, Richard
Publisher: Pearson Education,
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Chapter 29.6, Problem 29.4GI
To determine
The relation between the frequency of gamma rays and visible light.
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Chapter 29 Solutions
Essential University Physics
Ch. 29.2 - Would you expect to find a magnetic field between...Ch. 29.5 - Prob. 29.3GICh. 29.6 - Prob. 29.4GICh. 29.7 - Prob. 29.5GICh. 29.8 - Lasers 1 and 2 emit light of the same color, and...Ch. 29 - Why is Maxwells modification of Ampres law...Ch. 29 - Prob. 2FTDCh. 29 - Prob. 3FTDCh. 29 - Prob. 4FTDCh. 29 - When astronomers observe a supernova explosion in...
Ch. 29 - The Sun emits about half of its...Ch. 29 - An LC circuit is made entirely from...Ch. 29 - Prob. 8FTDCh. 29 - The intensity of light drops as the inverse square...Ch. 29 - Electromagnetic waves dont readily penetrate...Ch. 29 - Prob. 11ECh. 29 - Prob. 12ECh. 29 - The fields of an electromagnetic wave are E = Ep...Ch. 29 - A radio waves electric field is given by the...Ch. 29 - A light-minute is the distance light travels in 1...Ch. 29 - Your intercontinental telephone call is carried by...Ch. 29 - An airplanes radar altimeter works by bouncing...Ch. 29 - Roughly how long does it take light to travel 1...Ch. 29 - If you speak via radio from Earth to an astronaut...Ch. 29 - What are the wavelengths of (a) a 100-MHz FM radio...Ch. 29 - A 60-Hz power line emits electromagnetic...Ch. 29 - Microwave ovens for consumers use operate at 2.45...Ch. 29 - Prob. 23ECh. 29 - Prob. 24ECh. 29 - Vertically polarized light passes through a...Ch. 29 - Prob. 26ECh. 29 - Prob. 27ECh. 29 - Estimate the peak electric field inside a 1.1-kW...Ch. 29 - Prob. 29ECh. 29 - Prob. 30ECh. 29 - Your university radio station has a 5.0-kW radio...Ch. 29 - Example 29.2: A green laser pointer produces...Ch. 29 - Example 29.2: An infrared laser that sends signals...Ch. 29 - Example 29.2: An AM radio station broadcasts with...Ch. 29 - A public FM radio station broadcasts at 88.7 MHz....Ch. 29 - When the cellphone of Example 29.4 find itself in...Ch. 29 - What transmitter power would be needed for a...Ch. 29 - The Voyager 1 spacecraft, now in interstellar...Ch. 29 - Example 29.4: Rovers on the surface of Mars...Ch. 29 - Prob. 40PCh. 29 - Prob. 41PCh. 29 - The medical profession divides the ultraviolet...Ch. 29 - Prob. 43PCh. 29 - A polarizer blocks 75% of a polarized light beam....Ch. 29 - Prob. 45PCh. 29 - Unpolarized light of intensity S0 passes first...Ch. 29 - Prob. 47PCh. 29 - Prob. 48PCh. 29 - High microwave intensities can cause biological...Ch. 29 - Use the fact that sunlight intensity at Earths...Ch. 29 - A quasar 10 billion light-years from Earth appears...Ch. 29 - Prob. 52PCh. 29 - Prob. 53PCh. 29 - Find the peak electric and magnetic fields 1.5 m...Ch. 29 - Prob. 55PCh. 29 - Prob. 56PCh. 29 - A laser produces an average power of 7.0 W in a...Ch. 29 - Prob. 58PCh. 29 - A 65-kg astronaut is floating in empty space. If...Ch. 29 - Prob. 60PCh. 29 - A white dwarf star is approximately the size of...Ch. 29 - Prob. 62PCh. 29 - In a stack of polarizing sheets, each sheet has...Ch. 29 - Prob. 64PCh. 29 - Prob. 65PCh. 29 - Maxwells equations in a dielectric resemble those...Ch. 29 - Prob. 67PCh. 29 - Prob. 68PCh. 29 - Earth emits infrared radiation at very rearly the...Ch. 29 - Prob. 70PCh. 29 - Prob. 71PCh. 29 - The table below shows the intensity of the radio...Ch. 29 - If a sunlight-powered sailing spacecraft...Ch. 29 - Prob. 74PPCh. 29 - A sail capable of propelling a spacecraft to the...Ch. 29 - Prob. 76PP
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- What is the dose in mSv for: (a) a 0.1 Gy xray? (b) 2.5 mGy of neutron exposure to the eye? (c) 1.5 mGy of exposure?arrow_forwardWhat is the dose in mSv for: (a) a 0.1 Gy x-ray?(b) 2.5 mGy of neutron exposure to the eye? (c) 1.5 mGy of α exposure?arrow_forwardIf a patient undergoing radiation treatment for prostate cancer receives 41 Gray ( Gy G y ) of gamma radiation, how many rad ( D D ) does this correspond to? (1Gy=1×102D) ( 1 G y = 1 × 10 2 D ) .arrow_forward
- During a 2-h period of radiation therapy, alpha radiation is deposited into a patient's body at a rate of 3.3 x 10-8 J/s. What effective dose does the 59-kg patient receive? (Units: mSv) Use the following table of RBEs. Radiation type RBE X-rays 1 Gamma rays 1 Electrons 1 Protons 2 Alpha particles 20arrow_forwardA passenger on an airplane flying across the Atlantic receives an extra radiation dose of about 5μSv per hour from cosmic rays. How many hours of flying would it take in one year for a person to double his or her yearly radiation dose? Assume there are no other significant radiation sources besides natural background.arrow_forwardAn iodine isotope with a first order nuclear decay rate has a half life of 8 days. (time for half the radiation to disappear) If a persons thyroid receives a 12,000 cpm dose of radiation (counts per minute); how many days does it take to reach a safe level of 2,000 cpm? ln [A0]/[At] = 0.693/t1/2 t t=time of interest t1/2 = half life Ao = original concentration At = concentration at time of t ln = 2.303 log 10arrow_forward
- Calculate the effective radiation dosage (in Sieverts) for a 81-kg person who is exposed to 1.9 x 109 particles of alpha radiation. Assume that 79% of the radiation is absorbed, each alpha particle has an energy of 6.2 x 10-13 J, and that the RBE of the alpha particles is 15. Note that RBE is sometimes called the quality factor, abbreviated as Q.arrow_forwardWhat is the SI unit for radiation dose? What is its value in J/kg and rad?arrow_forwardI need help with problem 4.12 (see picture). This problem involves gamma ray detectors. Problem 4.10: Calculate the amplitude of the voltage pulse produced by collecting a charge equal to that carried by 10^6 electrons on a capacitance of 100pF. (e=1.602x10^-19 C). Thank you.arrow_forward
- What is the dose rate for the muscle from g-ray source having flux of 100 photons per cm2/s ? (E g=2 MeV, m =0.025 cm-1)arrow_forwardA radioactive source is producing 1.50 MeV gamma rays. If two detectors are placed 4.00 m and 7.00 m away respectively, what is the ratio of the measured intensities of the near detector over the far detector (I2/I1)? Do NOT include units in your answer answer to 2 decimal places.arrow_forwardThe point source Co-60 emits gamma with energies of 1.17 MeV and 1.33 MeV. Each of these energies emits the same number of photon particles. At a certain location, the flux that is read is 5.7 x 109 photons/cm2.s, what is the intensity or energy flux with units of J/m^2.minarrow_forward
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