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SAT Subject Test: hysics

Subjects : sat, science, physics
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.






2. Heat transfer by molecular collisions.






3. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.

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4. An image created by a mirror or lens in such a way that light does not actually come from where the image appears to be.






5. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.






6. Light such that all of the associated waves have the same wavelength and are in phase.






7. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.






8. The force necessary to maintain a body in uniform circular motion. This force is always directed radially toward the center of the circle.






9. For a gas held at a constant temperature - pressure and volume are inversely proportional.

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10. Another word for the frequency of a sound wave.






11. For a heat engine - the ratio of work done by the engine to heat intake. Efficiency is never 100%.






12. An object that retains its overall shape - meaning that the particles that make up the rigid body stay in the same position relative to one another.






13. If two systems - A and B - are in thermal equilibrium and if B and C are also in thermal equilibrium - then systems A and C are necessarily in thermal equilibrium.






14. When a solid - liquid - or gas changes into another phase of matter.






15. The amount of heat necessary to transform a solid at a given temperature into a liquid of the same temperature - or the amount of heat needed to be removed from a liquid of a given temperature to transform it into a solid of the same temperature.






16. The distance between successive wave crests - or troughs. Wavelength is measured in meters and is related to frequency and wave speed by = v/f.






17. The force between two surfaces that are not moving relative to one another. The force of static friction is parallel to the plane of contact between the two objects and resists the force pushing or pulling on the object.






18. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.






19. The points of maximum negative displacement along a wave. They are the opposite of wave crests.






20. The emf created by the motion of a charge through a magnetic field.






21. A machine that operates by taking heat from a hot place - doing some work with that heat - and then exhausting the rest of the heat into a cool place. The internal combustion engine of a car is an example of a heat engine.






22. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.






23. A mirror that is curved such that its center is farther from the viewer than the edges - such as the front of a spoon. Concave mirrors reflect light through a focal point.






24. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.






25. The center of a mirror or lens.






26. Waves produced by a source that is moving with respect to the observer will seem to have a higher frequency and smaller wavelength if the motion is towards the observer - and a lower frequency and longer wavelength if the motion is away from the obse






27. If a line is drawn from the sun to the planet - then the area swept out by this line in a given time interval is constant.

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28. Two oscillators that have the same frequency and amplitude - but reach their maximum displacements at different times - are said to have different phases. Similarly - two waves are in phase if their crests and troughs line up exactly - and they are o






29. The energy associated with the configuration of bodies attracted to each other by the gravitational force. It is a measure of the amount of work necessary to get the two bodies from a chosen point of reference to their present position. This point of






30. A device that converts mechanical energy to electrical energy by rotating a coil in a magnetic field; sometimes called a "dynamo."






31. A nuclear reaction in which a high-energy neutron bombards a heavy - unstable atomic nucleus - causing it to split into two smaller nuclei - and releasing some neutrons and a vast amount of energy at the same time






32. A constant in the numerator of a formula.






33. A transverse traveling wave created by the oscillations of an electric field and a magnetic field. Electromagnetic waves travel at the speed of light - m/s. Examples include microwaves - X rays - and visible light.






34. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.






35. The sum of a system's potential and kinetic energy. In many systems - including projectiles - pulleys - pendulums - and motion on frictionless surfaces - mechanical energy is conserved. One important type of problem in which mechanical energy is not






36. Heat transfer via the mass movement of molecules.






37. The temperature at which a material will change phase from solid to liquid or liquid to solid.






38. A push or a pull that causes an object to accelerate.






39. A transfer of thermal energy from one system to another.






40. The points on a standing wave where total destructive interference causes the medium to remain fixed at its equilibrium position.






41. A pulley is a simple machine that consists of a rope that slides around a disk or block.






42. The time it takes a system to pass through one cycle of its repetitive motion. The period - T - is the inverse of the motion's frequency - f = 1/T.






43. The coefficient of kinetic friction - - for two materials is the constant of proportionality between the normal force and the force of kinetic friction. It is always a number between zero and one.






44. The energy of the molecules that make up an object. It is related to heat - which is the amount of energy transferred from one object to another object that is a different temperature.






45. The joule (J) is the unit of work and energy. A joule is 1 N · m or 1 kg · m2/s2.






46. Also called a diverging lens - a lens that is thinner in the middle than at the edges. Concave lenses refract light away from a focal point.






47. The motion of a body in a circular path with constant speed.






48. The longest side of a right triangle - opposite to the right angle.






49. A body or set of bodies that we choose to analyze as a group.






50. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.