Carbon Dating: Solving the Age of a Mummy's Shroud | Physics Assignment Help"

  • Thread starter sanjeevkaushal
  • Start date
  • Tags
    Carbon
In summary, the conversation is about a physics assignment on decay and a specific question related to carbon dating. The person asking for help is stuck on the question and is seeking urgent assistance. The question involves determining the age of a cloth shroud using the activity of 14C and its half-life of 5730 years. They mention that they are not good at carbon dating and request for as much help as possible.
  • #1
sanjeevkaushal
4
0

Homework Statement


im doing a physics assignment on decay have completed most of it and am stuck on a question which i don't understand how to do, cud any1 help urgently?
Question is...


The cloth shroud of a mummy is found to have a 14C activity of 8.9 dpm g of carbon as opposed to living organisms which undergo 15.2 dpm g of carbon. Given the half –life of 14C is 5730 years what was the age of the shroud in years?

Im not to good at carbon dating could anyone help as much as possible to help me answer this, thankyou
 
Physics news on Phys.org
  • #2
What is the relation of activity and half-life ?
 

1. What is carbon dating?

Carbon dating is a scientific method used to determine the age of organic materials by measuring the amount of carbon-14 present in the sample. Carbon-14 is a radioactive isotope that decays at a steady rate, allowing scientists to estimate the age of an object by comparing the amount of carbon-14 present to the amount that would have been present when the organism was alive.

2. How does carbon dating work?

Carbon dating works by measuring the amount of carbon-14 in a sample, which is done using a technique called mass spectrometry. This technique involves measuring the ratio of carbon-14 to carbon-12 in the sample and comparing it to the known ratio of these isotopes in the atmosphere. By determining the ratio, scientists can calculate how long ago the organism died and estimate its age.

3. What types of materials can be dated using carbon dating?

Carbon dating is primarily used to date organic materials such as plants, animals, and human remains. It can also be used to date inorganic materials that were once part of living organisms, such as bone, shell, and wood. However, carbon dating is not effective for dating objects that are older than 50,000 years, as the amount of carbon-14 present becomes too small to accurately measure.

4. How accurate is carbon dating?

Carbon dating is a relatively accurate method of dating objects, with an error range of about 1-2% for objects up to 50,000 years old. However, the accuracy of carbon dating can be affected by a number of factors, such as contamination of the sample, variations in the atmospheric ratio of carbon-14 to carbon-12, and changes in the rate of decay over time.

5. What are the limitations of carbon dating?

While carbon dating is a useful tool for determining the age of organic materials, it does have some limitations. As mentioned earlier, it is only effective for objects up to 50,000 years old. It is also not suitable for dating materials that do not contain carbon, such as rocks and minerals. Additionally, carbon dating can be affected by external factors, making it less accurate in certain circumstances.

Similar threads

Replies
2
Views
2K
  • Introductory Physics Homework Help
Replies
11
Views
4K
  • Advanced Physics Homework Help
Replies
1
Views
6K
  • Calculus and Beyond Homework Help
Replies
5
Views
7K
  • Introductory Physics Homework Help
Replies
2
Views
1K
  • Introductory Physics Homework Help
Replies
9
Views
11K
Replies
16
Views
9K
  • Introductory Physics Homework Help
Replies
2
Views
2K
Replies
3
Views
6K
  • Introductory Physics Homework Help
Replies
30
Views
13K
Back
Top