Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 31 - Nuclei > A sample of radioactive elements contains 4×1010 active nuclei. If half-life of element is 10 days, then the number of decayed nuclei after 30 days is

A sample of radioactive elements contains 4×1010 active nuclei. If half-life of element is 10 days, then the number of decayed nuclei after 30 days is

A sample of radioactive elements contains 4×1010 active nuclei. If half-life of element is 10 days then the number of decayed nuclei after 30 days is