*Why are alpha particles more effective than betas for causing tissue damage, but x-rays and gamma...
*Why are alpha particles more effective than betas for causing tissue damage, but x-rays and gamma rays are equally effective (that is for each joule of energy deposited by radiation in a kg of tissue, why alpha particles do more damage than betas, but gamma rays do an equal amount of damage.) This was from class only.
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*Why are alpha particles more effective than betas for causing tissue damage, but x-rays and gamma...
Gamma rays and visible light are both Choose... but gamma rays have Choose... than visible light...
Gamma rays and visible light are both Choose... but gamma rays have Choose... than visible light but gamma rays have Gamma rays and visible light are both Choose... types of nuclear particles Choose... than visible light types of X-rays electromagnetic radiation but gamma rays have Gamma rays and visible light are both Choose... ✓ Choose... than visible light more energy more color more mass
Select the keyword or phrase that will best complete each sentence. Key terms: Alpha particles are...
Select the keyword or phrase that will best complete each sentence. Key terms: Alpha particles are high-energy radiation released from a radioactive nucleus. Beta particles chain reaction are radioactive particles that have a negligible mass and a +1 critical mass charge. fission The is the amount of a radiactive element required to sustain a fusion chain reaction Gamma rays half-life Nuclear nucleus. is the joining together of two nuclei to form a larger limiting reactant nuclear reaction is the process...
Gamma-rays (Y-rays) are highly energetic electromagnetic radiation that are emitted when the nuclei undergo transitions in...
Gamma-rays (Y-rays) are highly energetic electromagnetic radiation that are emitted when the nuclei undergo transitions in the energy levels. The energy of the y-rays is upward of 100 keV. Due to the high energy, the rays are not appreciably absorbed by even several centimeters of materials such as concrete or wood. However, dense metals such lead, are effective Y-ray absorbers. The amount y-rays that are absorbed depends on the material and the energy of the gamma-rays, the higher the energy,...
write a summary : 5.4.4 Radiological Hazards Radiological hazards can be divided into three general forms:...
write a summary : 5.4.4 Radiological Hazards Radiological hazards can be divided into three general forms: alpha, beta, and gamma radiation, which are emitted by radio- isotopes that may occur as an aerosol, be carried on particulate matter, or occur in a gaseous state. Alpha particles, consisting of two neutrons and two protons, are the least penetrating and the most ionizing form of radiation. They are emitted from the nu- cleus of radioactive atoms and transfer their energy at very...
62) 63) 64) The value for T. is IfT, -12 hrs and Tp- 6 hrs, then...
62) 63) 64) The value for T. is IfT, -12 hrs and Tp- 6 hrs, then T.- IfT,-i2 days and Tb-6hrs, then T.-ーーーーーーーーーーーーーーー. Alpha and beta emitters should not be used in when the Tp is 6 hrs and T, is 2 hrs. 65) cause more tissue damage than gamma. radiopharmaceuticals because th A. Therapeutic B. Diagnostic 66) Gamma emitting radiolabels such as Te are useful for therapy because they are effective in causing radiation damage to abnormal cells. A....
A nucleus whose mass is 3.730032 x 10-25 kg undergoes spontaneous "alpha" decay. The original nucleus...
A nucleus whose mass is 3.730032 x 10-25 kg undergoes spontaneous "alpha" decay. The original nucleus disappears and there appear two new particles: a He-4 nucleus of mass 6.640678x10-27 kg (an "alpha particle" consisting of two protons and two neutrons) and a new nucleus of mass 3.663533 x 10-25 kg (note that the new nucleus has less mass than the original nucleus, and it has two fewer protons and two fewer neutrons). In these calculations, it is very important to...
5. .... carries the greatest amount of energy a) X-rays b) gamma rays c) visible light...
5. .... carries the greatest amount of energy a) X-rays b) gamma rays c) visible light d) infrared rays 6. The E. and B fields in electromagnetic waves are oriented a) parallel to the wave's direction of travel, as well as to each other. b) parallel to the waves direction of travel, and perpendicular to each other. c) perpendicular to the wave direction of travel, and parallel to each other. d) perpendicular to the wave's direction of travel, and also...
I.(20p) Fill the following spaces with or circle the appropriate answers (can be more than one!)....
I.(20p) Fill the following spaces with or circle the appropriate answers (can be more than one!). I.1. In Tom's frame of reference, two events A and B take place at different locations along the x axis but are observed by Tom to be simultaneous. Which of the following statements is true? (1) No observers moving relative to Tom will find A and B to be simultaneous, but some may see A before B and others B before A. (2) No...
I. Calculation Section Consider the decay of-- into π- and N, Assume : decays froln rest...
I. Calculation Section Consider the decay of-- into π- and N, Assume : decays froln rest and calculate the kinetic energies of the π and Ao and then their speecls. You will need to look up the rest masses of the three particles in your textbook (or on Enforce momentum conservation and energy conservation. Use the relativistic formula- tion (Hint: The algebraic approach I used in class was to write down the energy conservation condition and the momentum conservation condition,...
According to Robert Trivers, why are men generally larger and more physically aggressive than women? Because...
According to Robert Trivers, why are men generally larger and more physically aggressive than women? Because women are more reproductively “valuable” than men, hence competition for mates is fiercer among men Because men invest more heavily in reproduction than women Because men secrete more testosterone Trivers’ theory does not speculate on the origin of the sex difference in size and physical aggression Although some women are interested in casual sex (short-term mating), research has suggested that there are differences in...
Gamma rays and visible light are both Choose... but gamma rays have Choose... than visible light but gamma rays have Gamma rays and visible light are both Choose... types of nuclear particles Choose... than visible light types of X-rays electromagnetic radiation but gamma rays have Gamma rays and visible light are both Choose... ✓ Choose... than visible light more energy more color more mass
Select the keyword or phrase that will best complete each sentence. Key terms: Alpha particles are high-energy radiation released from a radioactive nucleus. Beta particles chain reaction are radioactive particles that have a negligible mass and a +1 critical mass charge. fission The is the amount of a radiactive element required to sustain a fusion chain reaction Gamma rays half-life Nuclear nucleus. is the joining together of two nuclei to form a larger limiting reactant nuclear reaction is the process...
Gamma-rays (Y-rays) are highly energetic electromagnetic radiation that are emitted when the nuclei undergo transitions in the energy levels. The energy of the y-rays is upward of 100 keV. Due to the high energy, the rays are not appreciably absorbed by even several centimeters of materials such as concrete or wood. However, dense metals such lead, are effective Y-ray absorbers. The amount y-rays that are absorbed depends on the material and the energy of the gamma-rays, the higher the energy,...
62) 63) 64) The value for T. is IfT, -12 hrs and Tp- 6 hrs, then T.- IfT,-i2 days and Tb-6hrs, then T.-ーーーーーーーーーーーーーーー. Alpha and beta emitters should not be used in when the Tp is 6 hrs and T, is 2 hrs. 65) cause more tissue damage than gamma. radiopharmaceuticals because th A. Therapeutic B. Diagnostic 66) Gamma emitting radiolabels such as Te are useful for therapy because they are effective in causing radiation damage to abnormal cells. A....
A nucleus whose mass is 3.730032 x 10-25 kg undergoes spontaneous "alpha" decay. The original nucleus disappears and there appear two new particles: a He-4 nucleus of mass 6.640678x10-27 kg (an "alpha particle" consisting of two protons and two neutrons) and a new nucleus of mass 3.663533 x 10-25 kg (note that the new nucleus has less mass than the original nucleus, and it has two fewer protons and two fewer neutrons). In these calculations, it is very important to...
5. .... carries the greatest amount of energy a) X-rays b) gamma rays c) visible light d) infrared rays 6. The E. and B fields in electromagnetic waves are oriented a) parallel to the wave's direction of travel, as well as to each other. b) parallel to the waves direction of travel, and perpendicular to each other. c) perpendicular to the wave direction of travel, and parallel to each other. d) perpendicular to the wave's direction of travel, and also...
I. Calculation Section Consider the decay of-- into π- and N, Assume : decays froln rest and calculate the kinetic energies of the π and Ao and then their speecls. You will need to look up the rest masses of the three particles in your textbook (or on Enforce momentum conservation and energy conservation. Use the relativistic formula- tion (Hint: The algebraic approach I used in class was to write down the energy conservation condition and the momentum conservation condition,...
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