Nuclei

Related Questions

• Unit of radioactivity is Rutherford. Its value is

  ---

• A radioactive sample at any instant has its disintegration rate 5000 disintegration per minute. After 5 minutes, the rate is 1250 disintegrations per minute. Then, the decay constant (per minute) is

  ---

• An archaeologist analyses the wood in a prehistoric structure and finds that ${C^{14}}$(Half life = 5700 years) to ${C^{12}}$is only one- fourth of that found in the cells buried plants. The age of the wood is about

  ---

• The half-life of radon is 3.8 days. Three forth of a radon sample decay in

  ---

• In the given nuclear reaction, how many $\alpha$ and $\beta$ particles are emitted $_{92}{X^{235}} \to {\;_{82}}{Y^{207}}$

  ---