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Physics Final Sem II
Conceptual Physics
| Question | Answer |
|---|---|
| Entropy | A measure of the amount of Energy in a physical system not available to do work. |
| First Law of Thermodynamics | Heat is a form of Energy, and the total amount of Energy of all materials in an isolated system is constant. |
| Second Law of Thermodynamics | Increased Entropy |
| Mechanical Wave | A Disturbance that Moves through a Medium. |
| Momentum (P) | p=mv |
| Kilogram per meter cubed (kg/m^3) | Density |
| Pascal (Pa) | Pressure |
| Volt (V) | Electric Potential |
| Ampere (A) | Electric Current |
| Ohm (Ω) | Electric Resistance |
| Watt (W) | Power |
| Joule(J) | Work |
| Meter per second squared (m/s^2) | acceleration |
| Meters per second (m/s) | Speed |
| Meter (m) | Distance |
| Hertz (Hz) | Frequency |
| Newton (N) | Force |
| Kilogram (kg) | Mass |
| The ___ catastrophe was resolved with the Quantum idea. | Ultraviolet |
| The ___ frequency is the minimum photon frequency needed to eject a photoelectron. | Threshold |
| Won the Noble Prize for his work with the Quantum Idea. | Planck |
| Won the Noble Prize for his work on the Photoelectric Effect. | Einstein |
| James ___ proposed the electromagnetic wave model of light and unified the electric and magnetic forces. | Maxwell |
| A perfect Emitter or Radiator. | Blackbody |
| The double slit experiment demonstrated the existence of light ___. | Interference |
| Arthur Compton showed that light has ___ using a x-rays and a cloud chamber. | Momentum |
| The particle model works best for ___ frequency EM radiation like x-rays. | High |
| Proposed the particle model of light. | Newton |
| Proposed the wave model of light. | Huygens |
| ___ mechanics describes that all of the fundamental forces except gravity. | Quantum |
| Einstein called a light particle a ___. | Photon |
| The wave model works best for ___ frequency EM radiation like radio waves. | Low |
| Heat Engine | A device that converts Heat Energy into Work. |
| A change in phase is when a material changes from one ___ to another. | State |
| When heat is added to an object will either have an increase in temperature or a change in ___. | State/Phase |
| Archimedes Principle | Law of Buoyancy, Which states that any object that is completely or partially submerged in a fluid at rest is acted on by an upward, or buoyant, force. |
| Two models of light | Particle Model and Wave Model |
| Cause of Centripetal Acceleration | Net force of gravity minus N. |
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