JEE Main 2024 · ChemistryNumerical answerNumerical valueEasyCalculation

JEE Main 1 February 2024, Shift 1, Chemistry Q86

Question 86 of 90 in this shift, Chemistry question 26 of 30, Section B.

The ratio of

\frac{^{14}\mathrm{C}}{^{12}\mathrm{C}}

in a piece of wood is

\frac{1}{8}

part that of atmosphere. If half life of

^{14}\mathrm{C}

is 5730 years, the age of wood sample is ________ years.

Official answer

17190

NTA final key.

Chapter: Chemical Kinetics
Topic: Integrated Rate Equations
Idea tested: First Order Half-Life

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.