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  9. Q123

BPSC (Bihar PCS) 2015 · Question 123 of 135

Cosmic rays

Polity

  1. Aare charged particlesCorrect
  2. Bare uncharged particles
  3. Ccan be charged as well as uncharged
  4. DNone of the above

Answer: A. are charged particles

Explanation

The correct answer is are charged particles. Key Points Cosmic rays: Cosmic rays are atom fragments that rain down on the Earth from outside of the solar system . Most cosmic rays are atomic nuclei: most are hydrogen nuclei, some are helium nuclei, and the rest are heavier elements . Though cosmic r

Source: prepp.in

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