Daily quiz: On Nuclear science

1 / 5 |
The ___ and the _________ methods are both used to generate supercriticality in a process known as nuclear fission. Fill in the blanks.

2 / 5 |
 _______ _________ was a programme in the U.S. to develop and use nuclear explosives for peaceful purposes, especially in construction. The first nuclear test under this programme was called Gnome. Fill in the blanks.

3 / 5 |
When a nuclear weapon explodes, one of the effects is called the electromagnetic pulse. Gamma radiation collides with air molecules to produce a shower of high-energy electrons. This was first observed in 1962 during the Starfish Prime high-altitude test. This effect is called the __________ ___________. Fill in the blanks.

4 / 5 |
At present, there are two ways to create a nuclear bomb. One is by fission, the other by a fusion-fission combination reaction. The only way to create a purely fusion nuclear bomb is to use naturally occurring isotopes that exist in an elevated energetic state. These isotopes are called _______ _______. Fill in the blanks.

5 / 5 |
During the Cold War, in 1955, a document was released in London by two well-known scientists — Nobel laureates in literature and physics, respectively — on the devastating potential of nuclear weaponry. This was called the _______-________ manifesto. Fill in the blanks.