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29. A carbon sample from the frame of a picture gives 7 counts of C-14 per minute per gram of carbon. If freshly cur wood gives 15.3 counts of C-14 per minute, calculate the age of the frame. (t1/2 of C-14=5570 years) 2. The binding energy per nucleon for C-12 is 7.68 MeV and that for C-13 is 7.4 MeV. calculate the energy required to remove a neutron from C -13 |
| Answer» 29. A carbon sample from the frame of a picture gives 7 counts of C-14 per minute per gram of carbon. If freshly cur wood gives 15.3 counts of C-14 per minute, calculate the age of the frame. (t1/2 of C-14=5570 years) 2. The binding energy per nucleon for C-12 is 7.68 MeV and that for C-13 is 7.4 MeV. calculate the energy required to remove a neutron from C -13 | |