Explanation Given info: The half-life of C 14 is 5730 yr. The content of C 14 is 12.5% that of an carbon sample from a present day tree. Formula to calculate the age of the ancient site is, t = − t 1 / 2 ln 2 ln ( N N 0 ) N is the amount of sample remaining. N 0 is the initial amount of sample. t 1 / 2 is the half-life

11th Edition

ISBN: 9781305965515

Author: SERWAY, Raymond A.

Publisher: Brooks/Cole Pub Co

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Radioactive decay

The emission of energy to produce ionizing radiation is known as radioactive decay. Alpha, beta particles, and gamma rays are examples of ionizing radiation that could be released. Radioactive decay happens in radionuclides, which are imbalanced atoms. T…

Artificial Radioactivity

The radioactivity can be simply referred to as particle emission from nuclei due to the nuclear instability. There are different types of radiation such as alpha, beta and gamma radiation. Along with these there are different types of decay as well.

Question

Chapter 29, Problem 22P

To determine

The age of the ancient site.

Expert Solution & Answer

Chapter 29 Solutions

College Physics:

Ch. 29.3 - Prob. 29.1QQ Ch. 29.3 - What fraction of a radioactive sample has decayed...Ch. 29.3 - Prob. 29.3QQ Ch. 29.6 - Prob. 29.4QQ Ch. 29.6 - Prob. 29.5QQ Ch. 29 - Prob. 1CQ Ch. 29 - Prob. 2CQ Ch. 29 - Prob. 3CQ Ch. 29 - Prob. 4CQ Ch. 29 - Prob. 5CQ

Ch. 29 - Prob. 6CQ Ch. 29 - Prob. 7CQ Ch. 29 - A radioactive sample has an activity R. For each...Ch. 29 - Prob. 9CQ Ch. 29 - Prob. 10CQ Ch. 29 - Prob. 11CQ Ch. 29 - Prob. 12CQ Ch. 29 - Prob. 13CQ Ch. 29 - Prob. 1P Ch. 29 - Prob. 2P Ch. 29 - Prob. 3P Ch. 29 - Prob. 4P Ch. 29 - Using 2.3 1017 kg/m3 as the density of nuclear...Ch. 29 - Prob. 6P Ch. 29 - Prob. 7P Ch. 29 - Prob. 8P Ch. 29 - Prob. 9P Ch. 29 - Prob. 10P Ch. 29 - Prob. 11P Ch. 29 - Prob. 12P Ch. 29 - Prob. 13P Ch. 29 - Prob. 14P Ch. 29 - Two nuclei having the same mass number are known...Ch. 29 - Prob. 16P Ch. 29 - Radon gas has a half-life of 3.83 days. If 3.00 g...Ch. 29 - Prob. 18P Ch. 29 - Prob. 19P Ch. 29 - Prob. 20P Ch. 29 - Prob. 21P Ch. 29 - Prob. 22P Ch. 29 - Prob. 23P Ch. 29 - Prob. 24P Ch. 29 - Prob. 25P Ch. 29 - Prob. 26P Ch. 29 - Prob. 27P Ch. 29 - Prob. 28P Ch. 29 - The Mass of 56Fe is 55.934 9 u, and the mass of...Ch. 29 - Prob. 30P Ch. 29 - Prob. 31P Ch. 29 - Prob. 32P Ch. 29 - Prob. 33P Ch. 29 - Prob. 34P Ch. 29 - Prob. 35P Ch. 29 - Prob. 36P Ch. 29 - Prob. 37P Ch. 29 - Prob. 38P Ch. 29 - Prob. 39P Ch. 29 - Prob. 40P Ch. 29 - Prob. 41P Ch. 29 - Prob. 42P Ch. 29 - Prob. 43P Ch. 29 - Prob. 44P Ch. 29 - Prob. 45P Ch. 29 - Prob. 46P Ch. 29 - Prob. 47P Ch. 29 - Prob. 48P Ch. 29 - Prob. 49P Ch. 29 - Prob. 50P Ch. 29 - Prob. 51AP Ch. 29 - Prob. 52AP Ch. 29 - Prob. 53AP Ch. 29 - Prob. 54AP Ch. 29 - Prob. 55AP Ch. 29 - Prob. 56AP Ch. 29 - Prob. 57AP Ch. 29 - Prob. 58AP Ch. 29 - Prob. 59AP Ch. 29 - Prob. 60AP Ch. 29 - Prob. 61AP Ch. 29 - Prob. 62AP

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Data from the appendices and the periodic table may be needed for these problems. Show that the activity of the 14C in 1.00 g of 12C found in living tissue is 0.250 Bq.
If a 1.50cmthick piece of lead can absorb 90.0% of the rays from a radioactive source, how many centimeters of lead are needed to absorb all but 0.100% of the rays?
The atomic weight of cadmium is 112.41, and its density is 8.65 g/cm3. Using Figure 14.3, estimate the attenuation distance of a thermal neutron beam in cadmium. (The attenuation distance is the distance traveled after which the intensity of the beam is reduced to 1/e of its initial value, where e is the base of the natural logarithms.)

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