Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन
JEE Main & Advanced
Chemistry
Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन
Question Bank
Artificial Transmutation
question_answer
A wood piece is 11460 years old. What is the fraction of \[^{14}C\] activity left in the piece? (Half-life period of \[^{14}C\] is 5730 years) [MP PMT 2000]
A) 0.12
B) 0.25
C) 0.50
D) 0.75
Correct Answer:
B
Solution :
11460 years = 2 half lives Activity left = 25% = 0.25.