00:01
Life of c14 carbon 14 is t half and it is 5 ,700 years.
00:09
This is a half life of c14 and this is equal to 1 .80 into 10 to the power of 11 seconds.
00:19
In seconds it is corresponds to 1 .80 into 10 to the power of 11 second.
00:26
Now for the this c 14 in the case of c 14, the natural abundance, the natural abundance is r, say r is 1 .35 into 10 to the power of minus 12.
00:49
And this is a natural abundance is the ratio in which the amount of c40 in along with c2l in the living organisms.
01:00
So now let's found the total number of atoms for a 1 gram of c2l.
01:12
So let's find number of atoms n in a 1 gram of carbon 12.
01:18
That is given mass divided by the atomic mass of carbon into n.
01:27
N is the avagadro number.
01:28
So this is equal to 1 gram divided by atomic mass is 12 gram...