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