Multiple Choice
The charcoal from ashes found in a cave gave 7.4 14C counts per gram per minute.Wood from the outer portion of a growing tree gives a comparable count of 15.3.The half-life of 14C is 5700 years.How old are the ashes?
A) 5700 y
B) 5437 y
C) 3245 y
D) 9220 y
E) 5970 y
Correct Answer:

Verified
Correct Answer:
Verified
Q76: Half-life is:<br>I.the time for a sample to
Q77: Transuranium elements can be produced by bombarding
Q78: Find the INCORRECT nuclear reaction.<br>A) <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5343/.jpg"
Q79: Which of the following elements would be
Q80: In the following process,what is the missing
Q82: Strontium-90 is a byproduct in nuclear reactors
Q83: The nuclear binding energy is the energy
Q84: The initial decay rate of a nuclide
Q85: What percentage of a radioactive substance remains
Q86: The half-life of <sup>238</sup>U,which decomposes to <sup>206</sup>Pb,is