17. Tritium, (3H) is used in glowing “EXIT" signs located where there is no electricity for light bulbs. If the half-life of tritium is 12.26 years, what percentage of the original quantity of the isotope is left in the sign after 18.5 years? {Calculate Nt/No} a) 1.51% c) 35.1% b) 63.2% d) 25.0%
17. Tritium, (3H) is used in glowing “EXIT" signs located where there is no electricity for light bulbs. If the half-life of tritium is 12.26 years, what percentage of the original quantity of the isotope is left in the sign after 18.5 years? {Calculate Nt/No} a) 1.51% c) 35.1% b) 63.2% d) 25.0%
Chapter10: Radioactivity And Nuclear Processes
Section: Chapter Questions
Problem 10.73E
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