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