Home
Class 12
PHYSICS
Before the year 1900 the activity per u...

Before the year 1900 the activity per unit mass of atmospheric carbon due to the presence of 14 C averaged about 0.255Bq per gram of carbon.
An archaeological specimen containing 500 mg of carbon, shows 174 decays in one hour. What is the age of the specimen, assuming that its activity per unit mass of carbon when the specimen died was equal to the average value of the air?Half life of `^ 14 C` is 5730years?

Promotional Banner

Similar Questions

Explore conceptually related problems

Before the year 1900 the activity per unit mass of atmospheric carbon due to the presence pf ''C^14 averaged about 0.2555 bqper gram of carbon: What fraction of carbon atoms were ''^14C ?

Before the year 1900 the activity per unit mass of atmospheric carbon due to the presence pf 14^C averaged about 0.2555 bqper gram of carbon: An archaelogical speciman ,assuming that ts activity per unit mass of carbon when the speciman died was equal to the average value of the air ?Half -life 14^c is 5730 years?

Calculate the mass of : One carbon atom

Show that kinetic energy per unit mass of a gas is 3P/2_rho .

Derive an expression for:- Kinetic energy per unit mass

Mention two processes that contribute to the release of carbon into the atmosphere.

What is a museum? What are the various specimens found in a museum?

Write a note on the impact of human activities on carbon cycle.

Molecular mass of carbon dioxide is………… .