Problem

Problem

The count rate observed from a radioactive source at tt second was N0N_0 and at 4t4t second it was N016\frac{N_0}{16}. The count rate observed at (112)t\left(\frac{11}{2}\right)t second will be a. N0128\frac{N_0}{128} b. N064\frac{N_0}{64} c. N032\frac{N_0}{32} d. None of these

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