Which of the following doses of radiation (in Sieverts) can lead to death? O 1-3 O Any O<1 O > 3

Q: If the intensity of radiation from a radioactive sources is 3.6 units at a distance of 5.0 m, how…

A:

Q: 14 Calculate the disintegration energy of the reactions (a) 7 + p-2+ + K* and (b) K- +p→A° + 7".

A: Given information: Note: The standard values of the rest mass (in MeV/c­2) are used.

Q: A piece of bark is made up of carbon. It emits 7000 electrons per minute. Only the carbon 14 isotope…

A: number of electrons per minute = 7000 isotopic abundace of C-14 = 1.3×10-12

Q: Which of the naturally occurring radiation types (alpha, beta, and gamma) can have velocities that…

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Q: What is a fusion reaction? O The process of splitting the nucleus of an atom O The process of…

A: What is a fusion reaction?

Q: Using 2.3 x 1017 kg/m3 as the density of nuclear matter, find the radius of a sphere of such matter…

A: the formula to calculate the volume of the sphere is

Q: The age of the sun has been estimated at 4.6 billion years. If it has radiated energy at the same…

A: Convert 4.6 billion years to seconds. t=4.6×109 yr365.25 days1 yr24 hr1 days60 min1 hr60 s1…

Q: If the intensity of radiation from a radioactive sources is 7.9 units at a distance of 4.4 m, how…

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Q: What are beneficial applications of radiation? Select two that apply. 1.Radioactive nuclides are…

A: Radiation is the electromagnetic waves that do not need any material medium to travel. Radioactive…

Q: Where does most of the radiation you encounter originate?

A: There is radiation all around us and the background radiation comes from both natural and man made…

Q: Which of the following about the gamma ray is true? a. It carries a positive charge b. It can be…

A: Which of the following about the gamma ray is true?a. It carries a positive charge b. It can be…

Q: A nuclear fusion reaction in the Sun converts 4 H nuclei to 1 He-4 nucleus. Each Hydrogen nuclei is…

A: As per guidelines, question 1 is answered. For the remaining questions to be answered, post them…

Q: Match the nuclei described below with their corresponding isotope names.

A: Number of Nucleons =no. Of proton + no. Of Neutron This is helpful to find the matching isotope.

Q: A beta particle is A.a form of highly penetrating radiation . B.an electron emitted by a larger…

A: The transformation of a neutron into a proton and an electron (followed by the emission of the…

Q: At a neutrino detection facility deep underground in an abandoned salt mine, a research team is…

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Q: An isotope of iodine 1311, which has an eight-day half-life, is used in nuclear medicine. A sample…

A:

Q: Which of the following isotopes would be least likely to undergo positron emission? A. 118Sn D. 96Ru…

A: Positron emission, beta plus decay, or β+ decay is a subtype of radioactive decay called beta decay,…

Q: A3 dr Mo rdr -2¢ ㅇ

A:

Q: Why can gamma rays pass through or penetrate solids?

A: Gamma rays can penetrate through solids because they are small and have a lot of energy.

Q: When did the world know fusion existed? Select one: A. 1920 B.2000 C.1980 D.1960

A: The most prevalent reaction in our observable universe is fusion, which also fuels our Sun and other…

Q: (4-14)Calculate the mass of 1.0 Ci and 1.0 Bq of 214Pb from its half-life of 26.8 min.

A: "As per the guidelines i solved the first question alone". (4-14) The activity of lead Pb is,…

Q: which of the following correlations is the strongest? A. +.70 b. +.46 c. -.65 d.-.77

A: The term correlation refers to the dependency of a variable on another if the variables are in…

Q: How many kJ of energy are released to form one mole of 133Cs from protons and neutrons if the atom…

A: E = mc2 m =132.905429 amu = 132.905429 x  1.66 x 10-27 kg c= 3x108 m/s

Q: The half-life of a radioactive isotope is the amount of time it takes for a quantity of radioactive…

A: the relation between half life and decay constant is  T1/2 =ln(2)λ where λ is decay constant or…

Q: 44.06522=9.53(0.23+0.0045(T-293.15))   Solve for T temp

A: Given question is simple math calculation for finding T(temperature).

Q: Which of the following radiation sources are among "background radiation" to a population? (i)…

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Q: How many beta particles are released when 19782 Pb transmutes to 197 79 Au? a. 3 c. 10 b. 4 d. 12

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Q: 1. Plutonium-239 is used as the energy source for heart pacemakers and space probes. It decays by…

A: Introduction The mass defect (∆m) of a nuclear reaction is expressed as the difference in the mass…

Q: 8. What is formed when there is fusion of deuterium and tritium? a. Helium-2 b. Helium-3 c. Helium-4…

A: When deuterium and tritium fuse, they produce a Helium give out energy.   deuterium-H12 tritium-H13

Q: What is the source of the most radiation for an average person?

A: Radiations are the transfer of the energy in the form of the electromagnetic wave through any medium…

Q: 47 - 48. A radioactive substance has a half-life of approximately 10 years. If 25 g of the material…

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Q: On which factors does effects of ionizing radiation depends?

A: Introduction: The ionizing radiation is an electromagnetic wave that has sufficient energy to ionize…

Q: Supply the missing neutrinos in the following reactions or decays.                   (a) µ+ → e+ + ?…

A: A neutrino is a subatomic particle with no electrical charge and a very small negligible mass. They…

Q: If Nitrogen-14 absorbs an alpha particle and then emits a Hydrogen-1, what is the resulting nucleus?…

A: If Nitrogen-14 absorbs an alpha particle and then emits a Hydrogen-1.

Q: What are examples of gamma rays?

A: Gamma rays is a type of electromagnetic radiation and it is also known to penetrate electromagnetic…

Q: Which of the following describes safeguards used in nuclear power plants to protect the environm I.…

A: Safeguard used in nuclear power plant to protect environment is  Correct answer is  Option i and…

Q: What is the most harmful type of radiation?

A: Most harmful types of radiations are those that emits beta and alpha particles.

Q: Sonar, cell phones, and television remote control devices all use gamma rays. a. True b. False

A: The given statement is false. Gamma radiation is highly ionizing radiation and it is not used in…

Q: If the intensity of radiation from a radioactive sources is 5.7 units at a distance of 5.1 m how…

A: Given At a distance 5.1 m from source Intensity = 5.7 unit We have to calculate the distance from…

Q: How many protons and how many neutrons does each of these isotopes of radon contain? (a) Rn­-210…

A: Isotopes are the elements which contains same atomic number or number of protons but different mass…

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.