Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Astronomy & UniverseSpace Facts
Proton and nuclei move with the speed of light in space is called as:
- A.Cosmic raysCorrect answer
- B.Gamma rays
- C.X-rays
- D.Ultraviolet rays
Timed quizzes, instant results, track your progress — free
Practice these MCQs in the appQuick fact: Protons and nuclei moving at nearly the speed of light in space are called cosmic rays.