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






2. If the net torque acting on a rigid body is zero - then the angular momentum of the body is constant or conserved.






3. The bending of light as it passes from one medium to another. Light refracts toward the normal when going from a less dense medium into a denser medium and away from the normal when going from a denser medium into a less dense medium.






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






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






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






7. 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.






8. 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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9. 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.






10. The stable position of a system where the net force acting on the object is zero.






11. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.






12. 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






13. In an interference or diffraction pattern - the places where there is the least light.






14. The principle by which the displacements from different waves traveling in the same medium add up. Superposition is the basis for interference.






15. A device made of two coils - which converts current of one voltage into current of another voltage. In a step-up transformer - the primary coil has fewer turns than the secondary - thus increasing the voltage. In a step-down transformer - the seconda






16. A nuclear reaction that takes place only at very high temperatures. Two light atoms - often hydrogen - fuse together to form a larger single atom - releasing a vast amount of energy in the process.






17. A coefficient that tells how much the volume of a solid will change when it is heated or cooled.






18. A wave on a string that is tied to a pole at one end will reflect back toward its source - producing a wave that is the mirror-image of the original and which travels in the opposite direction.






19. Any vector can be expressed as the sum of two mutually perpendicular component vectors. Usually - but not always - these components are multiples of the basis vectors - and ; that is - vectors along the x-axis and y-axis. We define these two vectors






20. 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






21. The reaction force of the ground - a table - etc. - when an object is placed upon it. The normal force is a direct consequence of Newton's Third Law: when an object is placed on the ground - the ground pushes back with the same force that it is pushe






22. The model of the atom according to which negatively charged electrons orbit a positively charged nucleus. This model was developed by Ernest Rutherford in light of the results from his gold foil experiment.






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






24. The amount of heat of a material required to raise the temperature of either one kilogram or one gram of that material by one degree Celsius. Different units may be used depending on whether specific heat is measured in s of grams or kilograms - and






25. For two given media - the smallest angle of incidence at which total internal reflection occurs.






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






27. Kinematics is the study and description of the motion of objects.






28. The separation of different color light via refraction.






29. Defined as the rate at which work is done - or the rate at which energy is transformed. P is measured in joules per second (J/s) - or watts (W).






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






31. The property by which a changing current in one coil of wire induces an emf in another.






32. 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






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






34. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.






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






36. The amount of energy that metal must absorb before it can release a photoelectron from the metal.






37. A constant in the numerator of a formula.






38. Heat transfer by molecular collisions.






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






40. 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.






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






42. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.






43. A collision in which momentum is conserved but kinetic energy is not.






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






45. The velocity at any given instant in time. To be contrasted with average velocity - which is a measure of the change in displacement over a given time interval.






46. The number of digits that have been accurately measured. When combining several measurements in a formula - the resulting calculation can only have as many significant digits as the measurement that has the smallest number of significant digits.






47. 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.






48. A process that aligns a wave of light to oscillate in one dimension rather than two.






49. 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






50. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.







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