NEET Physics Nuclei Questions Solved


The counting rate observed from a radio ac- tive source at t = 0 second was 1600 counts per second and at t = 8 seconds it was 100 counts per second. The counting rate ob- served, as counts per second, at t = 6 sec- onds will be, (A) 400 (B) 300 (C) 200 (D) 150

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