Other questions in this quiz

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

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

3. Which class of star is the sun?

  • G
  • B
  • O
  • K

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

  • photons
  • gluons
  • bosons
  • pions

5. What is the order of star classes?

  • OBFGAKM
  • OBAFGKM
  • OBFGAKM
  • OBGFKAM

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