This nuclear weapon is called an atomic bomb or a nuclear bomb
plutonium + weapon
If by "bomb" you mean a conventional explosive weapon, then the nuclear weapon is more powerful.
A nuclear bomb or atomic bomb
nuclear bomb
The nuclear bomb
An atomic bomb is a type of nuclear weapon that releases energy through nuclear fission (splitting of atomic nuclei). Nuclear weapon is a broader term that encompasses atomic bombs, as well as hydrogen bombs which release energy through nuclear fusion (combining atomic nuclei).
The biggest nuclear weapon ever tested was the Tsar Bomba, a hydrogen bomb detonated by the Soviet Union in 1961. It had a yield of 50 megatons, making it the most powerful nuclear weapon ever detonated.
the UK did some of its nuclear weapon test shots there.
Atom bomb. Get it? Atom :D
No, a dirty bomb is a radiological weapon. It simply uses conventional explosives to scatter radioisotopes over an area.
A fire bomb is a conventional incendiary bomb: magnesium, napalm, etc. A nuclear bomb uses fission and/or fusion and is mostly a blast effect weapon.