Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 31 - Nuclei > The count rate of a Geiger Muller counter for the radiation of a radioactive material of half-life 30 min decreases to 5s−1 after 2h. The initial count rate was

The count rate of a Geiger Muller counter for the radiation of a radioactive material of half-life 30 min decreases to 5s−1 after 2h. The initial count rate was

The count rate of a Geiger Muller counter for the radiation of a radioactive material of half-life 30 min decreases to 5s−1 after 2h. The initial count rate was