Tag: Positronium

Important for Prelims: Science & TechnologyMains: General Studies III What is Positronium? Significance of Laser Cooling of Positronium Practice Questions for Prelims Consider the following statements regarding Positronium : 1. It is a particle that consists of an electron and Positron. 2.It has a very long lifespan.3. It is a pure leptonic atom. Select the…