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Very hard Quiz
Very hard Quiz
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Flashcards
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Answers
1
What causes alpha decay?
When heavy elements have a meltdown.
pre-formed nuclei that quantum tunnel their way out.
the nuclei kicking out nucleons because they are too large.
Too advanced 4 me.
2
What fundamental mechanism is responsible for the force carriers of the weak interaction?
The Mass Mechanism
The Force Mechanism
The IDK Mechanism
The Higgs Mechanism
3
True or false: You can melt diamond
True
False
4
Why do Muons reach earth given their short life?
they are formed at the surface.
because they are moving extremely fast.
Because length contraction and time dilation are present.
their fast speed makes them more stable.
5
What is supersymmetry?
each fermion has a bosonic partner and likewise for bosons.
ultra symmetric objects.
another name for OCD
an obsession with symmetry.
6
Why is CO2 a linear molecule?
the p orbitals of carbon are linear.
because the sp hybrid orbitals are linear.
IDK
because the oxygen atoms hate each other.
7
what are the nuclear magic numbers?
2,10,20,28,50,80
4,6,16,50,82
2,8,20,28,50,82
3,5,26,69,81
8
Why is gold the color gold?
gold reflects a lot of blue light.
relativistic effects alter the energy between the 5d and 6s.
My brain hurts.
Because gold is just beautiful.
9
what is the derivative of sin(x^2)
2cos(x^2)
2xcos(x^2)
Why calc?
-4sin(x)
10
How can you make the warp drive use less energy.
rapidly oscillate the warp bubble to soften spacetime fabric
all of the above
make the warp bubble smaller and thinner
make the vessel go slower
11
Why is Tantalum-180m a stable nuclear isomer?
A nuclear anomaly that requires further examination.
Because reasons
A large spin gap between the ground state and excited state.
Because the excess energy goes to binding the nucleus.
12
What are orbitals
mathematical functions that show probable electron location.
the path that electrons take around the nucleus.
the orbits of different planets in the solar system.
different ways spaceships can orbit earth.
13
How many classes of elementary particles are there. What are the classes?
3, quarks, leptons, bosons
4, quarks, leptons, photons, elements
2, protons and electrons
3, proton, neutron, electron
14
Why do you use light projectiles in superheavy element manufacturing?
Heavy elements have more kinetic energy so the nuclei breaks
Both B and C (i.e. diamond and square.)
chances of nuclei forming are smaller with heavy nuclei
Requires less energy to accelerate in particle accelerators
15
What are Wolf-Rayet stars?
The sun is a good example.
stars that have weak stellar winds.
Stars that were discovered by Wolf Rayet.
a rare class of very hot stars with unusual spectra.
16
What element has the highest melting point?
Osmium
Thulium
Tungsten
Lead
17
What is hawking radiation?
Why would I care?
another name for the CMB.
Radiation named after Stephen Hawking.
Radiation due to quantum effects at the event horizon.
18
What is the antiderivative of lnx
xlnx-x
1/x
(lnx)/x
xlnx^2
19
What formula generates the Mandelbrot set? (C is a complex number.)
Zn=Zn-1^2+C
Zn-1=Zn^2+C
Zn=Zn-1^2-C
Zn=Zn-1+C
20
Why are there 3 classes of elementary particles?
Just because there are
IDK
There are 3 holes in the CY manifold for strings to vibrate.
there are 3 possible string oscillations for each class.
21
Are U ready for hard questions?
No, hard questions make my brain hurt
Yes, Bring it on!
22
Why is U-235 fissile?
Just because...
The energy of the neutron is enough to split the nucleus.
because it was destined to be made into an atom bomb.
because of its high atomic weight
23
How does the warp drive work?
Warps spacetime around the vessel to achieve FTL travel
uses mysterious substances to violate universal constants
it uses ultra powerful boosters to get it to lightspeed
uses wormhole metric to go from one place to another quickly
24
how many dimensions does string theory predict?
4
3
26
11
25
Why are Technetium and Promethium radioactive?
The strong force glitches for those atomic numbers.
Because 43 and 61 are unlucky numbers.
Because there is a lot of repulsion in the nucleus.
Stable isotopes are ruled out by neighboring elements.
26
True or false: Francium is predicted to be more reactive than Cesium (Francium is under cesium)
False
True
27
Why are heavier elements less stable than lighter elements?
There is a lot of strain on the orbitals
There is a lot of electromagnetic repulsion in heavy nuclei
because they choose to be unstable
the strong force collapses heavy nuclei into a singularity
28
What element has the highest magnetic moment?
Carbon
Iron
Holmium
Nickel
29
What is one way to cure aging?
Stop eating red meat and eat the healthiest foods.
Rely on your religion.
Become extremely healthy and take anti-aging pills.
Use CRISPR to maintain a constant telomere length.
30
What theory has to be correct if there are multiple universes?
Newton's law of gravitation
Theory of general relativity
Quantum field theory
String theory
31
What are neutron stars?
Ultra dense cores of massive stars made out of neutronium.
Stars that have neutrons in them.
another name for magnetars.
32
Why would different universes have different fundamental laws of physics?
There will be an extra class of particles.
The CY manifold has many variations making unique particles.
The CY manifold will change size making an apocalypse.
Different universes develop differently.
33
What is Beta decay?
the emission of an electron from the nucleus.
IDK
Radioactive decay that changes quark flavor via weak force.
when the nucleus loses energy by emission of a gamma ray.
