alpha particles and nucleus

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Type of rays that affect nucleus are

Type of rays that affect nucleus are
  • A. alpha
  • B. beta
  • C. gamma
  • D. EM
  • Correct Answer: Option A

Alpha particles have relatively

Alpha particles have relatively
  • A. low kinetic energies
  • B. high potential energy
  • C. high mechanical energy
  • D. high kinetic energy
  • Correct Answer: Option D

Most of space in an atom is

Most of space in an atom is
  • A. filled with positive charge
  • B. empty
  • C. filled with negative charge
  • D. filled with neutrons
  • Correct Answer: Option B