Astrophysics
Mechanics/
Relativity
Relativity
Particle physics
Quantum mechanics
Miscellaneous
100
How old is our universe
About 13.8 billion years old
100
What is the equation for kinetic energy?
½ mv2
100
What 2 elementary particles are protons and neutrons made out of?
uq and dq
100
(T/F) Quantum mechanics is probabilistic
True
100
(T/F) Galileo was a biochemist
WRONG!!!
200
Which galaxy is the milky way going to collide with in about 5 billion years?
Andromeda
200
What is the law of conservation of energy?
The total amount of energy in an isolated system always remains the same
200
What is the force that keeps protons from repelling each other in the nucleus?
Strong force
200
In QM cannot determine simultaneously the location and momentum of a particle. What is the name of this principle?
Heisenberg's Uncertainty Principle
200
Why is the sky blue?
Blue light gets scattered the most
300
What is proof that dark matter exists?
Galaxies spin faster than they should
300
When are SUVAT/kinematic equations used?
When there is constant acceleration
300
What is the force carrier for the strong nuclear force?
Gluon
300
What does quantum mean?
The smallest discrete unit of a phenomenon (such as energy)
300
Why does metal feel cold?
It conducts heat away from your hand faster
400
What is the name of the black hole in the centre of the Milky Way?
Sagittarius A*
400
What is an inertial reference frame?
A frame of reference that is not accelerating
400
Give an example of a lepton
Electron, muon, tau, electron neutrino, muon neutrino and tau neutrino
400
What does ψ represent in Schrodinger's equation?
The wave amplitude
400
Why are temperatures lower at the poles/higher latitudes?
The same amount of light/heat is spread over a larger area.
500
Why does the James Webb space telescope measure IR?
So that it can see light from older events
500
What is the equation for the Lorentz factor?
500
What 'field' give elementary particles their mass?
The Higgs field
500
What are bell states?
They are specific quantum states of two qubits that represent the simplest examples of quantum entanglement
500
Give one reason why perpetual motion machines are theoretically impossible
The break the second law of thermodynamics