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6. What is the order of star classes?

  • OBFGAKM
  • OBAFGKM
  • OBFGAKM
  • OBGFKAM

7. Name the hadron particles

  • Baryons And Neutrinos
  • Baryons and Mesons
  • Baryons and Leptons
  • Just Baryons

8. Give all the possible solutions for quark structure of a pion

  • -
  • ud(with line)/uu(with line)/ud(with line)/ d (with line) u
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  • -

9. Name all possible quark structures for a kaon

  • -
  • ds(with line)/us(with line)/u(with line)s
  • -
  • -

10. Which class of star is the sun?

  • K
  • B
  • G
  • O

11. What is the exchange particle in beta plus decay?

  • pions
  • bosons
  • gluons
  • photons

12. When 2 gamma rays convert into a positron and electron this is?...

  • -
  • pair production
  • (as a tip: any particle and its anti can be produced in this way)
  • pair annihilation

13. Name all leptons and what they are, with charges..

  • Electrons, positrons, neutrinos & anti, Muons
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  • -
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14. How hot is the sun?

  • 3000K
  • 5800K
  • 6500K
  • 5000K