SPRING 2020/2021 Write a report on 'NATURALLY OCCURING RADIATION'. Abstract of the topic: There are three sources for naturally occuring sources of radiation. The oldest source is cosmic radiation. The second source is from primordial radioactive elements, and the third source is cosmogenic radio activity.
Q: A certain radio'sotope has a half-life of 11.7 days. What percentage of an initial sample of this…
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Q: Why can the half-life serve as a “nuclear clock” to determine the age of objects? Explain how?
A: Almost all the materials contain some radioactive elements. The concentration of such elements…
Q: The half-life of krypton-91 ("Kr) is 10 s. At time t = 0 a heavy canister contains 3 g of this…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…
Q: Write a nuclear reaction for uranium 236 undergoing alpha decay three times (each successive atom…
A: Answer.
Q: When the gamma ray interact with atomic nuclei, it transforms into positron and negatron. Calculate…
A: Given: Energy of gamma ray, E=8 MeV me=9×10-31 kgc=3×108 m/s1eV=1.6×10-19 J Total energy of gamma…
Q: Using appropriate formula determine the decay constant (λ) for the parent-daughter isotope pair,…
A: A parent-daughter isotope pair is The half-life time is Find:Decay constant.
Q: What is fission and how does that relate to the process of radioactive decay and nuclear energy?
A: Fission is the process when a heavy nucleus splits into two or more two smaller nuclei and releases…
Q: Explain why the temperature of the cosmic background radiation is 2.725 K, and how this temperature…
A: The temperature of the enormous microwave foundation radiation (CMB) is roughly 2.725 Kelvin (K), or…
Q: A radioactive source is marked as containing 5mCi, but now measures 3.4 mCi. If the half life is 5.2…
A: Calculate the decay constant. λ=0.693t1/2=0.6935.2 =0.13327
Q: According to the article Alien Antimatter Crashes into Earth e: More than 60 years ago, future Nobel…
A: Glashow predicted that if an antineutrino collided with an electron. The process is famously called…
Q: Imagine you have a cylindrical geiger counter with a diameter of 1 in positioned 2 in away from a…
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Q: Choose the BEST answer to the following. Which process would release energy from gold, fission or…
A: Nuclear fission is the splitting of a heavy nuclei or parent nuclei of an atom into smaller nucleus…
Q: 15 Isotope of oxygen, g0, is susceptible to beta-decay. Which particles/radiation are released in…
A: We need to find the beta decay products for 15 8 O.
Q: Calculate the length and the Debye number of the following two systems. (a) The terrestrial…
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Q: What Isotope of uranium exist? 2What isotope of uranium is used in the CANDU process?
A: Uranium is a silvery-white metallic element in the periodic table with atomic number 92. A uranium…
Q: Part A Write out the decay scheme of carbon-14 and show the end product. (A neutrino is also…
A: The source of radiation is the radio carbon present in our body. The radiation given is of β-…
Q: Choose the BEST answer to the following. Compared with the mass of a uranium atom undergoing…
A: The energy released in a fission is given by
Q: Ihalf of the human population within 30 days of exposure each this dose. Assume that at the surface…
A: lethal dosage = 425 rem dosage in rem=number of rad × RBE (RBE of photons=10) we convert the doage…
Q: Compare the energy produced per kg of fuel for the combustion of coal, d-d fusion and d-t…
A: For coal combustion C+O2 → CO2+33.94KJ/g So Energy release per kg will be,…
Q: A) How much mass is left in a piece of animal skin after 17,145 years when a newly made piece of…
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Q: Q2. In the fission of 235U, are the resulting fission fragments neutron or proton rich? Illustrate…
A: In the fission of 235U , the resulting fission fragments are typically neutron-rich.
Q: Regarding E.M radiation, what does the Sun, the Earth, you, and a chunk of coal have in common?…
A: Electromagnetic (EM) radiation: EM radiation is a form of energy that is released in the form of…
Q: Einstein’s mass-energy equivalence equation states that E = mc2. Explain how the equation shows that…
A: Einstien’s equation E = mc2 tells us what happens in a nuclear reaction and how they produce so much…
Q: According to the article Alien Antimatter Crashes into Earth e: More than 60 years ago, future Nobel…
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Q: b- The radioactive nucleus Ra has a half-life of approximately 1.6 103 yr. Given that the Solar…
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Q: Recall that the solar constant-the flux of solar energy reaching Earth's vicinity- is about 1380…
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Q: If a gamma ray from super nova emission has a packet of 10^20photon per one second, the wavelength…
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Q: Choose the BEST answer to the following. In both fission and fusion, energy is released while mass…
A: In the fusion reaction, the combined mass of two electrons is less than the sum of mass of two…
Q: Which of the following radiation sources are among "background radiation" to a population? (i)…
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Q: Why, after a uranium fuel rod reaches the end of its fuel cycle (typically 3 years), does most of…
A: Due to the decay of Uranium fuel over the three years, it gets converted to plutonium. This decay…
Q: Question 3: As we discussed, each 235U atom that undergoes fission releases approximately 200 MeV of…
A: This a problem of unit conversion. The energy of the bombs are given in terms of mass of TNT. The…
Q: Compare the energy produced per kg of fuel for the combustion of coal, d-d fusion and d-t…
A: The energy released in D-D fusion is, H12+H12 → H23e+n01 + 5.23×10-13 J The molecular weight of…
Q: calculate the calories for a bag of lays chips, and convert that to Joules. Take 1% of its mass and…
A: Required : Energy in a bag of chips.
Q: What beta particles are released by 197982 pb transmute to 197 79 Au?
A: Nuclear reactions are processes in which one or more nuclides are produced from the collisions…
Q: I. When first discovered, α, β and γ radioactivity were referred to as α-rays, βrays and γ-rays. Now…
A: Since we are entitled to answer one question per request. We would be answering the first question.…
Q: 50 Large radionuclides emit an alpha particle rather than other combinations of nucleons because the…
A: (a) The disintegration energy for the first (a) hypothetical decay process can be calculated as,…
Q: What is this rate in units of inches/second?
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Q: (a) Calculate the rate at which the Sun generates neutrinos. Assume that energy production is…
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Q: was 8.0:
A: The solution can be given as :-
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