In general, a secondary cell has a much shorter life cycle than a primary cell of the same capacity. ( True or False)

Q: Choose the BEST answer to the following. The equation that most underlies energy release in nuclear…

A: The equation in option (a) gives the energy of a photon.

Q: A sample of the isotope 131I, which has a half-life of 8.04 days, has an activity of 5.0 mCi at the…

A: Given: The half-life of the sample =8.04 days The activity of the sample = 5.0 mCi The activity of…

Q: Why is a conventional fission nuclear reactor not able to explode as a bomb?

A: A nuclear reactor is a power plant that uses nuclear fusion to eventually generate electricity.…

Q: Suppose the decay constant of radioactive substance A is twice the decay constant of radioactive…

A: Given: Decay constant of A = 2× decay constant of B Half-life of B = 3 h.

Q: A research reactor, after going critical for the first time, operates at a power level of 100 W for…

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Q: Find the energy released in the fusion reaction

A: We have to find the energy released in the given fusion reaction.

Q: If we split a nucleus into two smaller nuclei, with a release of energy, has the average binding…

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Q: A nucleus decays by emitting a beta particle. Which is the parent nucleus for the product nucleus…

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Q: Give reasons justifying the contention made in the text that energy from the fusion reaction 2H + 2H…

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Q: Which process would release energy from gold, fission or fusion? Which would release energy from…

A: From gold, fission would release energy. From carbon, fusion would release energy.

Q: The greatest binding energy per nucleon occurs near 56Fe and is much less for 238U. Explain this in…

A: Binding energy of the nucleus from semi empirical formula

Q: Why is there, unlike fission fuel, no limit to the amount of fusion fuel that can be safely stored…

A: Unlike fission fuel, no limit to the amount of fusion fuel that can be safely stored in one…

Q: The activity of a radioisotope drops to 1/32 of its original value in 25 minutes. The decay constant…

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Q: If you start out with 20 grams of a radioactive material, and 4 hours later you have 5 grams of that…

A: Given data:  Initial amount of material (N0) = 20 g Time (t) = 4 hours Remaining amount of material…

Q: If a fusion reaction produces no appreciable radioactive isotopes, why does a hydrogen bomb produce…

A: In a hydrogen bomb, nuclear fusion reaction is preceded by nuclear fission reaction of Uranium…

Q: 5.1 A sample of the isotope 1311, with a half-life of 8.04 days, has an activity of 10 mCi at the…

A: Given , half-life of I131 = 8.04 days Activity = 10mCi Upon receipt of I131 in medical laboratory ,…

Q: Why will nuclear fission probably not be used directly for powering automobiles? How could it be…

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Q: 9: In which type of decay does a neutron turn into a proton like the one shown below?   A: alpha…

A: Beta decay is occur in the necleus where number of proton and neutrons are very high. The proton…

Q: Number of Ra-223 Nuclei 60 50 40 30 20 10 0 0 LO 5 10 15 20 Time/days 25 30 35

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Q: An unstable nucleus undergoes alpha decay with the release of 5.52 MeV of energy. The combined mass…

A: Given    Let the parent nuclei be A daugther nuclei be B The nuclear reaction is given as  A = B +…

Q: alpha

A: Alpha particles are the heaviest particles that carry a positive charge and they penetrate the…

Q: Why is the number of neutrons greater than the number of protons in stable nuclei that have an A>…

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Q: List at least two major potential advantages of power production by fusion rather than by fission.

A: Advantages of power production by fusion rather than by fission are to be stated.

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: A radiation worker stands 50 cm away from a radioactive source of 25 mCi 57Co. Calculate the…

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Q: Find the energy released in the fusion reaction

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Q: The half-life of 23$U, an alpha emitter, is 7.1 x 10° yr. Calculate the number of alpha particles…

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Q: What isotope is produced when Np-239 emits a beta particle?

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Q: The mass-energy equivalence equation is E = mc2. Explain how the equation shows nuclear activities…

A: The equation that relates energy with mass is given. We need to show that in nuclear activities a…

Q: Americium-241 is used in smoke detectors. It has a first-order rate constant for radioactive decay…

A: The radioactive decay relation with the decay constant and radioactive sample quantity is given as…

Q: What are some of the reasons that plutonium rather than uranium is used in all fission bombs and as…

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Q: Calculate the energy output in each of the fusion reactions in the proton-proton cycle, and verify…

A: We have,…

Q: The initial activity of a radioactive source is 600 counts per second. After a time T, its activity…

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Q: The water that passes through the reactor core of a water-moderated fission reactor does not pass…

A: A nuclear reactor is used in a nuclear power plant. It is a spontaneous and rapid process and also…