cse • paper_2 • nuclear_particlecse-2005-subject-07-001
Radioactive half-life — UPSC CSE 2005 Physics PYQ
Buy PYQ Solution Manual →(i) Write the Weizacker mass formula and explain the significance of various terms. (ii) Determine the amount of {}_{84}^{210}\text{Po} necessary to provide a source of \alpha-particles of strength 5 \text{ mC}_i. The half-life of {}_{84}^{210}\text{Po} is 138 \text{ d}.
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