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| Tutorial ID | Title | Tutorial | Video Tutorial | Revision Notes | Revision Questions | |
|---|---|---|---|---|---|---|
| 22.11 | Chronology of the Universe |
1. Calculate the cosmic constant C that turns the proportionality relation
into equation of type
valid for the first instant of the Universe existence. Take the exact value of Planck's temperature as Tp = 1.42 × 1032 K.
Correct Answer: C
2. How many neutrons did a sample of 72 primordial plasma nucleons contain?
Correct Answer: D
3. What is the characteristic wavelength (if eventually it was possible to detect) of free neutrinos present in the Universe?
Correct Answer: C
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