3. The half life of 9U?N against alpha decay is 4.5 x 10" years. Find the activity of I kg of

Q: 90 4. A certain container has 0.56 grams of Sr. calculate the 90 Sr is this material in unite of…

A: this is the question  about disintegration of active material.

Q: 2. For X( Px)Y and x(n,x)F reactions with respective Q- ualues of 2.30 Mev and 5.60 Hev, Calaulate…

A: Q value of a particular nuclear reaction can be calculated using Einstein's mass-energy equivalence.…

Q: Bismuth, 214Bi decays by alpha decay with a half-life of 19.7 minutes. What is its decay constant?…

A: Formula of half-life of radio active element is as follows: T12=0.693λ…

Q: Q6: A fission reactor accident evaporates 5 x 106 Ci of 90Sr (T1/2= 27.7 yr) into the air. The 90Sr…

A:

Q: he Q value for the alpha decay of  203Tl is calculated to be 0.91 MeV from the masses of the initial…

A: Given data: Q value of alpha decay, E=0.91 MeV Atomic number of 203Tl ,Z=81 Applying Geiger Nuttal…

Q: A 5000- Ci 60CO source used for cancer therapy is considered too weak to be useful when its activity…

A: Given that,R0 = 5000 CiR = 3500 Cit12 = 5.27 yearsHere we need to find the time in which it…

Q: The radioactive isotope (183-Ta) has a half life of 5.11 days. A sample containing the isotope as an…

A: Given data: Half-life t12=5.11 days Initial activity R0=4.5×108Bq

Q: A particular radioactive sample undergoes 2.50××10^6 decays/s. a) What is the activity of the…

A: In the given question , We have to determine  the values of given parts.

Q: A specific radioactive material was measured to have an activity of 347 MBq at 7:00 A.M., what is…

A: Given: The initial activity of the radioactive material at t = 0 (7:00 A.M) is A0 = 347 MBq The…

Q: The isotope of Curium 242Cm has a half-life of 160 days and emits alpha particles with an energy…

A: Let t1/2 denote the half-life of the given isotope of Curium and λ denotes the decay constant of the…

Q: alf-life of this sample?

A:

Q: A piece of charcoal containing 25.0 g of carbon is found in some ruins of an ancient city. The…

A: The decay constant for 14C is,

Q: 4. An ancient club is found that contains 150 g of pure carbon and has an activity of 4 decays per…

A:

Q: The radioactive isotope Gold -198 has a half of 64.80hours. A sample containing this isotope has an…

A: The initial activity is given by,

Q: gram of caesuim (55 Cs) decays by B-emission with a half life of 30 years. (a) Name the resulting…

A:

Q: A certain isotope has a half-life of 5.9 h and an atomic mass of 95.98 u. What will the activity in…

A:

Q: The half-life of strontium-90, 38Sr, is 28.8 y. Find (a) its decay constant and (b) the initial…

A: We need to find two things: the decay constant λ and the initial activity  A0 of a 1.00 g sample of…

Q: Beta decay: 128 yields Te 52

A:

Q: A sample of ??2045, a ?- emitter, has an activity of 0.1000 μCi. In 60.0 days, the activity of the…

A:

Q: Barium-133 is a radioactive element used in certain medical procedures.  A sample of pure Barium133…

A:

Q: 7 Thorium-234 is a radioactive element that has a decay constant of 3.33 × 10 s¹. It decays by…

A:

Q: A 5000-Ci 60Co source used for cancer therapy is considered too weak to be useful when its activity…

A:

Q: A 60kg person accidentally ingest a small sources of alpa particles (RBE=15). The activity of the…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: The radioactive nuclide plutonium 199 has a half life of 43.0min.A sample is prepared that has an…

A: i. the decay constant can be calculated as follows,

Q: 90Sr decays with the emission of a 2.8 MeV beta particle. Strontium is chemically similar to calcium…

A: Given: A dose equivalent is given as, Sv=dose in Gy×RBEHere, RBE=1Dose in Gy=energy absorbedmass of…