# Energy: Quiz

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More interesting facts on Energy

Question 1: This definition will fail if the system undergoes a ________—e.g.
LiquidPhase transitionCritical point (thermodynamics)Solid

Question 2: where ε0 is the ________ of a vacuum, 107/4πc0² or 8.854188…×10−12 F/m.
Free spaceMaxwell's equationsVacuum permittivityVacuum permeability

Question 3: In a slower process, heat from nuclear decay of these atoms in the core of the Earth releases heat, which in turn may lift mountains, via ________.
Plate tectonicsIgneous rockGeologyOrogeny

Question 4: In the case of electromagnetic wave these energy states are called quanta of ________ or photons.
LightOpticsAlhazenSun

Question 5: The ________ (different from the strong force) provides the potential energy for certain kinds of radioactive decay, such as beta decay.
Standard ModelQuarkParticle physicsWeak interaction

Question 6: According to ________ law the total inflow of energy into a system must equal the total outflow of energy from the system, plus the change in the energy contained within the system.
Sustainable transportSustainable energyEnergy conservationBiofuel

Question 7: For example, a seated passenger in a moving airplane has zero kinetic energy relative to the airplane, but non-zero kinetic energy relative to the ________.
NatureMoonSunEarth

Question 8: [7][12] ________ is the mathematical consequence of translational symmetry of time (that is, the indistinguishability of time intervals taken at different time)[20] - see Noether's theorem.
Vis vivaConservation of energyMomentumEntropy

Question 9: In quantum mechanics energy is defined in terms of the energy operator as a time derivative of the ________.
Bra-ket notationIntroduction to quantum mechanicsQuantum stateWave function

Question 10: According to the second law of thermodynamics, work can be totally converted into ________, but not vice versa.This is a mathematical consequence of statistical mechanics.
HeatEnergyTemperatureInternal energy