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Test your basic knowledge |
SAT Subject Test: hysics
Start Test
Study First
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. When a solid - liquid - or gas changes into another phase of matter.
System
Tip
Phase change
Beats
2. 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
Heat transfer
Restoring force
Focal point
Amplitude
3. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Activity
Angular velocity
Dynamics
Ideal gas law
4. In an interference or diffraction pattern - the places where there is the most light.
Velocity
Kepler's Second Law
Maxima
Beta decay
5. For an oscillating spring - the restoring force exerted by the spring is directly proportional to the displacement. That is - the more the spring is displaced - the stronger the force that will pull toward the equilibrium position. This law is expres
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6. A constant in the numerator of a formula.
Constant of proportionality
Angular period
Maxima
Sound
7. There are a few versions of this law. One is that heat flows spontaneously from hot to cold - but not in the reverse direction. Another is that there is no such thing as a 100% efficient heat engine. A third states that the entropy - or disorder - of
Concave mirror
Radiation
Second Law of Thermodynamics
Potential energy
8. The emf created by the motion of a charge through a magnetic field.
Newton's Law of Universal Gravitation
Lenz's Law
Gravitational constant
Motional emf
9. Heat transfer via the mass movement of molecules.
Mass
Latent heat of vaporization
Convection
Isotope
10. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Cross product
Nucleus
Kinematics
Angle of refraction
11. 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.
Decibel
Displacement
Momentum
Thermal energy
12. The name of an electron released from the surface of a metal due to the photoelectric effect.
Alpha particle
Tip
Motional emf
Photoelectron
13. A property common to both vectors and scalars. In the graphical representation of a vector - the vector's magnitude is equal to the length of the arrow.
Frequency
Latent heat of transformation
Work-energy theorem
Magnitude
14. 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
Induced current
Electronvolt
Longitudinal waves
Nuclear fission
15. 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
Snell's Law
Gamma ray
Normal
Chain reaction
16. The longest side of a right triangle - opposite to the right angle.
Centripetal force
Nuclear fission
Hypotenuse
Center of mass
17. In an interference or diffraction pattern - the places where there is the least light.
Kelvin
Alpha particle
Newton
Minima
18. The dot product of the area and the magnetic field passing through it. Graphically - it is a measure of the number and length of magnetic field lines passing through that area. It is measured in Webers (Wb).
Magnetic flux
Harmonic series
Mass defect
Isotope
19. The series of standing waves supported by a string with both ends tied down. The first member of the series - called the fundamental - has two nodes at the ends and one anti-node in the middle. The higher harmonics are generated by placing an integra
Harmonic series
Inertial reference frame
Wave speed
Threshold frequency
20. The energy stored in a thermodynamic system.
Angular period
Latent heat of transformation
Elastic collision
Internal energy
21. For a heat engine - the ratio of work done by the engine to heat intake. Efficiency is never 100%.
Calorie
Efficiency
Photoelectron
Convex mirror
22. In oscillation - a cycle occurs when an object undergoing oscillatory motion completes a "round-trip." For instance - a pendulum bob released at angle has completed one cycle when it swings to and then back to again. In period motion - a cycle is the
Kinematic equations
Cycle
Phase
Vertex
23. 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.
Angular position
Orbit
Angle of reflection
Spectroscope
24. 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 - .
Wave speed
Internal energy
Isolated system
Fundamental
25. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Centripetal force
Real image
Work-energy theorem
Gold foil experiment
26. The line that every particle in the rotating rigid body circles about.
Threshold frequency
Axis of rotation
Convex lens
Tail
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. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Kinetic energy
Polarization
Inclined plane
Wave speed
29. The center of a mirror or lens.
Radius of curvature
Chain reaction
Vertex
Dynamics
30. The state of a nonrotating object upon whom the net torque acting is zero.
Strong nuclear force
Equilibrium
Reflect
Angular velocity
31. The number of cycles executed by a system in one second. Frequency is the inverse of period - f = 1/T. Frequency is measured in hertz - Hz.
Gamma decay
Heat transfer
Angular velocity
Frequency
32. A class of elementary particle whose mass is between that of a proton and that of an electron. A common kind of meson is the pion.
Zeroth Law of Thermodynamics
Meson
Wavelength
Mutual Induction
33. 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
Angular frequency
Conduction
Vector
Mechanical energy
34. The ray of light that is reflected from a mirror or other reflecting surface.
Newton
Reflection
Reflected ray
Kinematic equations
35. Two quantities are directly proportional if an increase in one results in a proportional increase in the other - and a decrease in one results in a proportional decrease in the other. In a formula defining a certain quantity - those quantities to whi
Kepler's Second Law
Basis vector
Directly proportional
Diffraction
36. The constant of proportionality in Newton's Law of Gravitation. It reflects the proportion of the gravitational force and - the product of two particles' masses divided by the square of the bodies' separation. N · m2/kg2.
Atom
Proton
Gravitational constant
Kepler's Third Law
37. Given the period - T - and semimajor axis - a - of a planet's orbit - the ratio is the same for every planet.
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38. 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.
Significant digits
Heat
Ideal gas law
Axis of rotation
39. The energy of a particle rotating around an axis.
Rotational kinetic energy
Tension force
Alpha particle
Atomic number
40. The principle stating that for any isolated system - linear momentum is constant with time.
Dynamics
Phase change
Wave
Conservation of momentum
41. Heat transfer by molecular collisions.
Conduction
Electron
Beta decay
Spring
42. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Third Law of Thermodynamics
Second Law of Thermodynamics
Quark
Atomic number
43. In reference to oscillation - amplitude is the maximum displacement of the oscillator from its equilibrium position. Amplitude tells how far an oscillator is swinging back and forth. In periodic motion - amplitude is the maximum displacement in each
Pascals
Amplitude
Orbit
Photon
44. Another word for the frequency of a sound wave.
Transverse waves
Newton's First Law
Pitch
Ideal gas law
45. 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.
Vector
Heat engine
Nucleus
Moment of inertia
46. The square of the amplitude of a sound wave is called the sound's loudness - or volume.
Latent heat of fusion
Real image
Beats
Loudness
47. 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.
Orbit
Static friction
Focal point
Faraday's Law
48. 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
Margin of error
Atomic number
Isolated system
Doppler shift
49. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Conservation of momentum
Induced current
Calorie
Alpha particle
50. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Temperature
Gamma decay
Neutron
Pressure