No, it was not needed, but it was an available weapon, and its use probably saved human lives.
Because the French government at some point thought they needed to develop such weapons. France got their first nuclear bomb in 1960.
A traditional nuclear fission bomb is used as a trigger in a hydrogen bomb. The explosion from the fission bomb generates the high temperatures and pressures needed to initiate the fusion reaction in the hydrogen bomb.
A nuclear bomb is any bomb with any nuclear or atomic material inside it, while a plutonium bomb is a specific type of nuclear bomb. Plutonium could be the nuclear material inside the bomb, and if it is, it's a plutonium bomb.
Before the end of WW2 when Stalin decided he needed the bomb too.
The best nuclear bomb is the Tsar bomba
Germany has not made a nuclear bomb.
Robert Oppenheimer is the father of nuclear bomb.
A nuclear bomb or atomic bomb
nuclear bomb
Atomic bombs are a type of Nuclear bomb and there are 2 types of nuclear bombs. The second type of nuclear bomb is a hydrogen bomb.
Highly unlikely if not altogether impossible. In a core meltdown, you might see a steam explosion if the core melts and breaches the containment structure and hits say cooling water. But even a runaway chain reaction in a reactor would not cause a nuclear explosion like a bomb.
No president invented any nuclear bomb.