A radioactive element X with half life 2 h decays giving a stable element Y . After a…
Physics · Class 12 · CBSE — Nuclei
A radioactive element X with half life 2 h decays giving a stable element Y. After a time t, ratio of X and Y atoms is 1 : 16. Time t is
- 6 h
- 4 h
- 8 h
- 16 h
Answer
(C) 8 h
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Complete the equation for the following fission process _ 92 U ^ 235 + _ 0 n^ 1 _ 38 Sr ^ 90 +
- Two nuclei have their mass numbers in the ratio of 1 : 27. What is the ratio of their nuclear densities?
- In a nuclear fusion reaction, two nuclei, A and B fuse to produce a nucleus C, releasing an amount of energy…
- Fusion reaction takes place at high temperature because
- In Rutherford's nuclear model of the atom, the entire positive charge and most of the mass of the atom are…
- Two stable isotopes and have respective abundances of 7.5% and 92.5%. These isotopes have masses 6.01512 u…
- The mass of proton is 1.0073 u and that of neutron is 1.0087 u (u = atomic mass unit). The binding energy of…
- If the nuclear force between two protons, two neutrons and between proton and neutron is denoted by F pp , F…