Home » Physics » In 24 days a radioactive isotope decreases in mass from 128g to 2g. What is…In 24 days a radioactive isotope decreases in mass from 128g to 2g. What is… In 24 days a radioactive isotope decreases in mass from 128g to 2g. What is the half-life of the radioactive material? A. 2.54 days B. 4.00 days C. 4.80 days D. 6.00 days E. 8.00 days Correct Answer: Option B Explanation Related Posts When a body is slightly tilted, it is found that its centre of gravity is… What volume of alcohol with a density of 8.4 x 102kgm-3 will have the same… Which of the following is/are TRUE of nuclear fission? I. A heavy nucleus is split… A man walks 8km north and then 5km in a direction 60o east of north…. The refractive index of a medium relative to air is 1.8. Calculate to the nearest… The diagram above shows two vectors at right angles to each other. The value of…
