Name the unit which is commonly used for expressing the energy released in nuclear reactions.

Where, in a nuclear power station, is uranium used up?

State one use of nuclear fission reactions.

How many MeV are equivalent to 1 atomic mass unit (u)?

Fill in the following blanks with suitable words:

(a) Splitting of a heavy nucleus into two lighter nuclei is called .............

(b) Uranium-235 atoms will split when hit by ............ This is called ....................

(c) Nuclear ................ is used in nuclear power stations for the production of electricity.

(d) In a nuclear power station, nuclear fission takes place in the .............