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Big Bang Model and Temperature Practice Questions

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Cosmology Learning Material
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22.10Big Bang Model and Temperature

Big Bang Model and Temperature Revision Questions

1. What is the average kinetic energy corresponding to the nuclear bonds breakup temperature?

  1. 1 eV
  2. 10 keV
  3. 1 MeV
  4. 100 MeV

Correct Answer: D

2. Calculate the energy (in eV) exchanged with the surrounding by an individual particle at temperature 25 000 K.

  1. 2.16
  2. 21.5625
  3. 3.45 × 1019
  4. 3.45 × 10-19

Correct Answer: A

3. What is the mass of a particle involved in an interaction with its corresponding antiparticle if the energy produced during their annihilation is the same as the value of Planck's Energy.

  1. 1.6 × 1028 kg
  2. 1.6 × 10-19 kg
  3. 17.8 mg
  4. 17.8 μg

Correct Answer: D

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  5. Continuing learning cosmology - read our next physics tutorial: Chronology of the Universe

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