(Figure 1) shows how the number of nuclei of one particular isotope varies with time. What is the half-life of the nucleus?

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: What is special about neutrons that allows them to cause nuclear fission?

A: The neutrons which cause nuclear fission must be having slow speed. The slow neutrons are those…

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

A:

Q: A radioactive material requires short time to decay completely naturally.Is it true or false?

A: The phenomenon of continuous emission of radiation like alpha, beta, gamma, X-rays, etc. from a…

Q: what is the difference between radioactivity and decay?

A: The difference between Radioactivity and Decay is as follows -  Radioactivity - Radioactivity means…

Q: If you make an account of 1000 people born in the year 2000 and find that half of them are still…

A: An account of 1000 people are made in 2000 and half of them are still alive in 2060. But this does…

Q: What mass of a 2,400g sample of an isotope will remain after 32.8 days if the half life of the…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: How is a strong nuclear force is transmitted between a proton and neutron?

A: Nuclear force: Nuclear force is one of the fundamental interaction. It is the strongest of all.…

Q: are radioactivity and radioactive decay the same concepts?

A: Radioactivity is the process by which an unstable  atomic nucleus loses energy by emitting…

Q: Why is nuclear fission usually followed by B-decay?

A: Nuclear fission is a reaction in which the nucleus of an atom fragmented into two or more smaller…

Q: How is Nuclear fission reaction different from Nuclear fusion?

A: Nuclear fission is splitting of the single nucleus into more than one nucleus.   Nuclear fusion is…

Q: Suppose a radioactive material, UPinium, was found under the chemistry building in 2000 (year). In…

A:

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

A:

Q: If a sample of a radioactive isotope has a half-life of 1 year, how much of the original sample will…

A:

Q: For the radioactive isotope strontium-90, k is 2.47 x 10-2 years -1. If the original amount of…

A:

Q: 18. 2. The half-life of a radioactive sample is 30 minutes. If the sample originally contains 4x10°…

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

Q: What is the difference between nucleus and nucleon?

A: The nucleus of an atom consists of protons and neutrons at the center of an atom. The majority mass…

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

A:

Q: Does food irradiation leave the food radioactive? To what extent is the food altered chemically for…

A: The process of exposing the food into a controlled amount of energy in the form of high speed…

Q: Suppose that you are given a 200 gram sample of a radioactive substance with a half-life of 45 days.…

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Q: The carbon content of living trees includes a small proportion of C-14, which is a radioactive…

A:

Q: what is the specific difference between radioactivity and radioactive decay?

A:

Q: If a sample of a radioactive isotope has a half-life of 3 years, how much of the original sample…

A: The half-life of the sample = 3 years (a) That means, after every 3year the sample becomes half of…

Q: If a 1.50-cm-thick piece of lead can absorb 90.0% of the γ rays from a radioactive source, how many…

A:

Q: Given that radioactive cobalt-60 has a radioactive constant equal to 3.8 x 10° s determine its…

A: Given information: Here, λ is the radioactive constant or decay constant.

Q: The ruins of the Chernobyl reactor are enclosed in a huge concrete structure built around it after…

A: The Chernobyl nuclear reactor is a closed reactor which is situated in Ukrain. The ruins of this…

Q: The radioactive glucose used in PET scans has a half-life of approximately 2 hours. How much of the…

A: Half life (t) of radioactive glucose= 2 hours Time period (T) = 8 hours Let the original amount of…

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: What occurs when a nitrogen nucleus captures an extra neutron?

A: A neutron is captured by the nitrogen nucleus

Q: Radioactive isotopes often occur together in mixtures. Suppose a 100 g sample contains 131Ba, with a…

A:

Q: Is the mass of an atomic nucleus greater or less than the sum of the masses of the nucleons…

A: The nucleons combine together to form an atomic nucleus by using binding energy, and this binding…

Q: If a sample contains 20g of an isotope that has a half life of 1000 years. How much will be left…

A: Given data:  Initial amount of sample (N0) = 20 g Half life (T1/2) = 1000 years Required: Remaining…

Q: Explain the advantage of the radioactive waste having a shorter half-life

A: Radioactivity is the process by which unstable nuclei emits alpha beta and gamma particles  These…

Q: The half-life, which is unique to any given isotope, is defined as:

A: We know  half life :-The time taken for half of the original population of radioactive atoms to…

Q: Choose the BEST answer to the following. If an iron nucleus split in two, its fission fragments…

A: Iron has a most stable nucleus in the present elements; therefore, for the fission reaction of iron,…

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.