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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 effect of force on rotational motion.






2. 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.






3. The particles and energy released by the fission or fusion of one atom may trigger the fission or fusion of further atoms. In a chain reaction - fission or fusion is rapidly transferred to a large number of atoms - releasing tremendous amounts of ene






4. 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






5. An object at rest remains at rest - unless acted upon by a net force. An object in motion remains in motion - unless acted upon by a net force.

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






7. The cosine of an angle in a right triangle is equal to the length of the side adjacent to the angle divided by the length of the hypotenuse.






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






9. Given the trajectory of an object or system - the center of mass is the point that has the same acceleration as the object or system as a whole would have if its mass were concentrated at that point. In terms of force - the center of mass is the poin






10. A scale for measuring temperature - defined such that water freezes at 0ºC and boils at 100ºC. 0ºC = 273 K.






11. The movement of a rigid body's center of mass in space.






12. 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






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






14. The two shorter sides of a right triangle that meet at the right angle.






15. 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.






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






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






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






19. Life- The amount of time it takes for one-half of a radioactive sample to decay.






20. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.






21. A unit for measuring angles; also called a "rad." 2p rad = 360º.






22. To every action - there is an equal and opposite reaction. If an object A exerts a force on another object B - B will exert on A a force equal in magnitude and opposite in direction to the force exerted by A.

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23. In a right triangle - the tangent of a given angle is the length of the side opposite the angle divided by the length of the side adjacent to the triangle.






24. 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.






25. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.






26. The experience of being in free fall. If you are in a satellite - elevator - or other free-falling object - then you have a weight of zero Newtons relative to that object.






27. A small particle-like bundle of electromagnetic radiation.






28. The point of a mirror or lens where all light that runs parallel to the principal axis will be focused. Concave mirrors and convex lenses are designed to focus light into the focal point. Convex mirrors and concave lenses focus light away from the fo






29. Represented by R = 8.31 J/mol · K - the universal gas constant fits into the ideal gas law so as to relate temperature to the average kinetic energy of gas molecules.






30. A mirror that is curved such that its center is closer to the viewer than the edges - such as a doorknob. Convex mirrors reflect light away from a focal point.






31. An object is called radioactive if it undergoes radioactive decay.






32. A measure of force per unit area. Pressure is measured in N/m2 or Pa.






33. An experiment in 1879 that showed that the speed of light is constant to all observers. Einstein used the results of this experiment as support for his theory of special relativity.






34. When electromagnetic radiation shines upon a metal - the surface of the metal releases energized electrons. The way in which these electrons are released contradicts classical theories of electromagnetic radiation and supports the quantum view accord






35. 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.






36. The unit of magnetic flux - equal to one T · m2.






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






38. A unit of force: 1 N is equivalent to a 1 kg · m/s2.






39. The position - of an object according to a co-ordinate system measured in s of the angle of the object from a certain origin axis. Conventionally - this origin axis is the positive x-axis.






40. A vector quantity - commonly denoted by the vector s - which reflects an object's change in spatial position. The displacement vector points from the object's starting position to the object's current position in space. If an object is moved from poi






41. An electromagnetic wave of very high frequency.






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






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






44. A pendulum consists of a bob connected to a rod or rope. At small angles - a pendulum's motion approximates simple harmonic motion as it swings back and forth without friction.






45. 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






46. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.






47. Relates the angle of incidence to the angle of refraction: .

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






49. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.






50. Also called a converging lens - a lens that is thicker in the middle than at the edges. Convex lenses refract light through a focal point.