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- Some satellites use nuclear power. (a) If such a satellite emits a 1.00-W flux of rays having an average energy of 0.500 MeV, how many are emitted per second? (b) These rays affect other satellites. How far away must another satellite be to only receive one ray per second per square meter?3. Which form of electromagnetic radiation is the most damaging to living tissue? a. Microwave b. X rays c. Gamma rays d. UV-C 4. A liquid with a low viscosity a. has a definite shape. b. flows quickly. c. flows slowly. d. fills its container 5.Which of the following terms correctly compares the viscosity of oil to that of water? a. The viscosity of oil is less than that of water b. The viscosity of oil is equivalent to that of water c. The viscosity of oil is greater than that of water4. Discuss the principle of radiation protection. Give at least one scenario where you can apply each principle.
- What is the essential difference between gamma rays and green light? A. Gamma rays have an electric field, green light do not. B. There is no essential difference in the nature of gamma rays and green light other than he difference in frequency and wavelength. C. Greenlight undergoes refraction, gamma rays I do not D. Gamma rays are a form of radiation, green light is not E. Greenlight is the beam of photons, gamma rays are not photonsA. 1.2x10 R B. 1.8x 10' R 32. What is an exposure of 4.6x10 C/kg in roentgens? C. 1.8x 10 R D. 8.4x10 R 33. The following relation shows that photoelectric absorption increases with p. h, and Z', and it decreases with E. What is "h"? A. Atomic number B. Tissue thickness C. Radiation energy D. Mass density phz Photoelectric Absorption o E' A. 3.00 mrad B. 3.00 mrem 34. The average radiation equivalent dose from an AP Skull Exam is 0.03 mSv. What is this in traditional units? C. 0.0003 mrad D. 0.0003 mrem1. A carpenter builds an exterior house wall made of wood 3.0 cm thick. The wood has k = 0.080 W/mk. The interior temperature is 19°C and the exterior surface temperature is 9°C. What is the rate of heat flow per square meter through this wall? 2. What is the wavelength for the energy maximum of blackbody radiation at 30,000°F?
- 3. When radiation interacts with matter, the depth of penetration depends on the nature of the radiation, the density of the material, and the speed of the radioactive particle when it enters the material. In general, with all other parameters being equal, a denser material will permit a shorter distance of penetration. Arrange the materials below from most to least penetration by B particles. Assume a constant distance between the source and the material. a) Plastic b) Copper c) Cotton d) Alcohol e) LeadThe thermal radiation from the earth’s surface peaks at a wavelength of approximately 10 μm. If the surface of the earth warms, this peak willA. Shift to a longer wavelength.B. Stay the same.C. Shift to a shorter wavelength.6. Match the description of a process with the corresponding arrow in the figure: a. Absorption of a photon whose energy is E₁ - Eo. E3 b. Absorption from an excited state (a rare event at ordinary temperatures). E2 c. Emission of a photon whose energy is E3 - E₁. d. Emission of a photon whose energy is E₂ - Eo. e. In drawing arrows to represent energy transitions, which of the following statements is correct? i. It doesn't matter in which direction you draw the arrow as long as it connects the initial and final states. E₁ ii. For emission, the arrow points down. iii. For absorption, the arrow points up. iv. The tail of the arrow is drawn on the initial state. Eo v. The head of the arrow is drawn on the final state. vi. It is not necessary to draw an arrowhead.
- The radiation emitted from a small hole in a furnace is a.microwave. b.x-ray. c.infrared. d.ultraviolet. e.blackbody.27. In regards to LET, which of the following radiations is different than the A. Gamma rays B. Alpha particles C. Neutron beam others? D. Proton beam 28. In this graph that shows two trends with respect to energy for water and lead, what process does "a" represent? A. Pair Production B. Compton Scattering C. Photodisintegration D. Photoelectric Absorption 100-N 10- HM 1 1- .01- .001 10 100 .01 Mev 29. Which of the following radiation parameters is no konger in use today? A. Effective dose B. Equivalent dose C. Tolerance dose D. Exposure 30. This schematic depicts a device that meastures radiation exposure. Three of the following things happen in the gray-shaded area. Which one does not happen? A. Radioactive decay B. Particle ionization C. Photoelectric absorption D. Charge migration 31. What is the SI equivalent of a 9.2-R exposure? A. 3.8x10" C/kg B. 2.2x 10" C/kg C. 3.6x10' C/kg D. 2.4x 10 C/kg11.what effect does ionizing radiation have on water? 12. Why is there concern about changes to matter as a result of exposure to ionizing radiation? Pls answer both of the questions i dont care about bartleby rules i will rate u helpful if u answer both in handwritten cursive answer No plagiarism ill doublecheck