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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. The current induced in a circuit by a change in magnetic flux.






2. A scalar quantity that tells us how fast an object is moving. It measures the rate of change in distance over time. Speed is to be contrasted with velocity in that there is no direction associated with speed.






3. The force transmitted along a rope or cable.






4. The mass number - A - is the sum of the number of protons and neutrons in a nucleus. It is very close to the weight of that nucleus in atomic mass units.






5. 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.






6. A frequency - f - defined as the number of revolutions a rigid body makes in a given time interval. It is a scalar quantity commonly denoted in units of Hertz (Hz) or s-1.






7. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.






8. The number - N - of neutrons in an atomic nucleus.






9. 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






10. A negatively charged particle that orbits the nucleus of the atom.






11. Energy associated with the state of motion. The translational kinetic energy of an object is given by the equation .






12. The number of hydrogen atoms in one gram of hydrogen - equal to . When counting the number of molecules in a gas - it is often convenient to count them in moles.






13. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.






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






15. A constant - - not to be confused with wavelength - that defines the speed at which a radioactive element undergoes decay. The greater is - the faster the element decays.






16. States that the current induced in a circuit by a change in magnetic flux is in the direction that will oppose that change in flux. Using the right-hand rule - point your thumb in the opposite direction of the change in magnetic flux. The direction y

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17. The distance between the focal point and the vertex of a mirror or lens. For concave mirrors and convex lenses - this number is positive. For convex mirrors and concave lenses - this number is negative.






18. 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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19. An object is called radioactive if it undergoes radioactive decay.






20. The units of frequency - defined as inverse-seconds (1 Hz = 1 s-1). "Hertz" can be used interchangeably with "cycles per second."






21. When an object is held in circular motion about a massive body - like a planet or a sun - due to the force of gravity - that object is said to be in orbit. Objects in orbit are in perpetual free fall - and so are therefore weightless.






22. Waves that oscillate in the same direction as the propagation of the wave. Sound is carried by longitudinal waves - since the air molecules move back and forth in the same direction the sound travels.






23. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.






24. 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.






25. 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.






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






27. The standing wave with the lowest frequency that is supported by a string with both ends tied down is called the fundamental - or resonance - of the string. The wavelength of the fundamental is twice the length of the string - .






28. A quantity that possesses a magnitude but not a direction. Mass and length are common examples.






29. 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.






30. The amount of error that's possible in a given measurement.






31. The property by which a charge moving in a magnetic field creates an electric field.






32. A measurement of a body's inertia - or resistance to being accelerated.






33. The phenomenon by which light traveling from a high n to a low n material will reflect from the optical interface if the incident angle is greater than the critical angle.






34. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.






35. In the Bohr model of the atom - the state in which an electron has the least energy and orbits closest to the nucleus.






36. A vector quantity defined as the rate of change of the displacement vector with time. It is to be contrasted with speed - which is a scalar quantity for which no direction is specified.






37. The state of a nonrotating object upon whom the net torque acting is zero.






38. The net change - - in a point's angular position - . It is a scalar quantity.






39. The ray of light that is refracted through a surface into a different medium.






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






41. Waves in which the medium moves in the direction perpendicular to the propagation of the wave. Waves on a stretched string - water waves - and electromagnetic waves are all examples of transverse waves.






42. A constant in the numerator of a formula.






43. Waves carried by variations in air pressure. The speed of sound waves in air at room temperature and pressure is roughly 343 m/s.






44. The separation of different color light via refraction.






45. The ray of light that is reflected from a mirror or other reflecting surface.






46. Indicates how "bouncy" or "stiff" a spring is. More specifically - the spring constant - k - is the constant of proportionality between the restoring force exerted by the spring - and the spring's displacement from equilibrium. The greater the value






47. 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.






48. Energy associated with an object's position in space - or configuration in relation to other objects. This is a latent form of energy - where the amount of potential energy reflects the amount of energy that potentially could be released as kinetic e






49. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.






50. A unit vector is a vector with length 1.