The ratio of 12 C C in a piece of wood is 1 8 part that of atmosphere. If half life of 14C is 5730 y — JEE Mains Chemistry Past Papers Chemistry Question

💡 Solution & Explanation

12 atmosphere 12 wood sample ( C / C) t ln ( C / C)  As per the question, 12 wood 12 atmosphere ( C / C) 8 ( C / C)  So, t ln8  1/2 ln2 t ln8 t  t = 3 × t1/2 = 17190 years