In nuclear fission,the fission reaction proceeds with a projectile. Which of the following suits the best?

The power of a nuclear power plant is $200 \, MW$. How much energy will this plant produce in one day?

How much $MeV$ energy is emitted by the fission of one nucleus of uranium-$235$ (in $MeV$)?

$A$ star has $100 \%$ helium composition. It starts to convert three ${ }^4 He$ into one ${ }^{12} C$ via the triple alpha process as ${ }^4 He + { }^4 He + { }^4 He \rightarrow { }^{12} C + Q$. The mass of the star is $2.0 \times 10^{32} \ kg$ and it generates energy at the rate of $5.808 \times 10^{30} \ W$. The rate of converting these ${ }^4 He$ nuclei to ${ }^{12} C$ is $n \times 10^{42} \ s^{-1}$,where $n$ is. . . . . . . [Take,mass of ${ }^4 He = 4.0026 \ u$,mass of ${ }^{12} C = 12 \ u$,$1 \ u = 1.66 \times 10^{-27} \ kg$,$c = 3 \times 10^8 \ m/s$]

The most suitable element for nuclear fission is the element with an atomic number near

In the options given below, let $E$ denote the rest mass energy of a nucleus and $n$ a neutron. The correct option is: