Exploring the Cosmos - Degree Exam 2014 - Particles, Forces & the Big Bang
1. Olber’s paradox involves which of the following observations?
Matter clumps into galaxies and large scale structures.
The sky is dark at night.
Some of the planets display retrograde motion.
The rotation curves of galaxies become flat at large distances.
2. Hubble’s Law tells us that
the planets move in elliptical orbits.
the universe is expanding.
entropy is always increasing.
nothing can travel faster than light.
3. Inside the proton are
electrons held together by gluons.
electrons held together by photons.
quarks held together by photons.
quarks held together by gluons.
4. The mediating particles of the weak interaction include
the Z boson.
the Y boson.
the neutrino.
the graviton.
5. In 2012 the Large Hadron Collider discovered
Gravitational Waves.
supersymmetry.
the top quark.
the Higgs boson.
6. A WIMP is a
Weakly Interacting Massless Particle.
Weakly Interacting Mono-Pole.
Weakly Interacting Majorana Particle.
Weakly Interacting Massive Particle.
7. The Bullet Cluster provides evidence for which phenomenon?
Massive neutrinos.
Dark Matter.
Hubble’s Law.
Dark Energy.
8. The Heat Death of the Universe would be a consequence of
quintessence.
the second law of thermodynamics.
quantum tunnelling.
the Sachs-Wolfe effect.
9. The Universe appears to contain much more matter than antimatter. This observation is known as
the Baryon Asymmetry Problem.
the Flatness Problem.
the Horizon Problem.
the Exotic Relic Problem.
10. Which Greek Astronomer ï¬rst reasoned that the Earth is a sphere from seeing the Earth’s shadow on the Moon at a lunar eclipse?
Aristotle.
Eudoxus.
Eratosthenes.
Pythagoras.
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