Which of the following is in the increasing order for penetrating power
$\alpha ,\;\beta ,\;\gamma $
$\beta ,\;\alpha ,\;\gamma $
$\gamma ,\;\alpha ,\;\beta $
$\gamma ,\;\beta ,\;\alpha $
The nucleus $_{48}^{115}Cd$ after two successive ${\beta ^ - }$ decays will give
In a reactor, $2\, kg$ of ${ }_{92} U ^{235}$ fuel is fully used up in $30$ days. The energy released per fission is $200\, MeV.$ Given that the Avogadro number, $N =6.023 \times 10^{26}$ per kilo mole and $1\, eV =1.6 \times 10^{-19}\, J .$ The power output of the eactor is close to$.....MW$
In a radioactive decay, neither the atomic number nor the mass number changes. Which of the following would be emitted in the decay process
What is $\alpha -$ , $\beta -$ and $\gamma -$decay ? Write its general formula.
When $_{90}T{h^{228}}$ transforms to $_{83}B{i^{212}}$, then the number of the emitted $\alpha$- and $\alpha$- particles is, respectively