When a nuclear power accident occurs:

all of the effects are seen immediately.
the effects are powerful yet fleeting.
only a small radius surrounding the accident is affected.
radiation may stick around for a long time and cause cancer.

Question

When a nuclear power accident occurs:

all of the effects are seen immediately.
the effects are powerful yet fleeting.
only a small radius surrounding the accident is affected.
radiation may stick around for a long time and cause cancer.

nathalyn · Answer

Radioactivity  , it is concept of henry becqueral ,followed by marie and pieri query which consist of emission of radiation from unstable nuclues , emitted radiation consists of alpha , beta and gamma