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发信人: ape (我知道你可以的), 信区: Flyingoverseas
标 题: physics sub content
发信站: 哈工大紫丁香 (2001年03月02日18:19:05 星期五), 站内信件
发信人: lunatic (无根草★漂泊的日子), 信区: AdvancedEdu
标 题: Content of GRE Subject Test on Physics
发信站: BBS 水木清华站 (Fri Sep 3 02:13:02 1999)
From the Descriptive Booklet of Physics Test:
CONTENT OF THE PHYSICS TEST
The test consists of about 100 five-choice questions, some of which
are grouped in sets and based on such materials as diagrams, graphs,
experimental data, and descriptions of physical situations.
The aim of the test is to determine the extent of the students'
grasp of fundamental principles and their ability to apply these
principles in the solution of problems. Most test questions can be
answered on the basis of a mastery of the first three years of
undergraduate physics.
The International System (SI) of units is used predominantly in
this test. A table of information representing various physical constants
and a few conversion factors among SI units is presented in this test
booklet.
The approximate percentages of the test on the major content topics
have been set by the committee of examiners to reflect its judgment
about the relative emphases placed on these topics in most undergraduate
curricula as determined by a content representativeness survey of
these curricula that was conducted in 1989. These percentages are given
below along with the major subtopics included in each content category.
In each category, the subtopics are listed roughly in order of decreasing
importance for inclusion in the test. Nearly all the questions in the test
will relate to material in this outline; however, there may be occasional
questions on other topics not explicitly listed here.
Percentage
Topic of Questions
1. CLASSICAL MECHANICS (such as kinematics, Newton's laws, 20
work and energy, oscillatory motion, rotational motion
about a fixed axis, dynamics of systems of particles,
central forces and celestial mechanics, three-dimensional
particle dynamics, Lagrangian and Hamiltonian formalism,
non-inertial reference frames, elementary topics in fluid
dynamics)
2. ELECTROMAGNETISM (such as electrostatics, currents and DC 18
circuits, magnetic fields in free space, Lorentz force,
induction, Maxwell's equations and their applications,
electromagnetic waves, AC circuits, magnetic and electric
fields in matter)
3. OPTICS AND WAVE PHENOMENA (such as wave properties, super- 9
position, interference, diffraction, geometrical optics,
polarization, Doppler effect)
4. THERMODYNAMICS AND STATISTICAL MECHANICS (such as the laws 10
of thermodynamics, thermodynamic processes, equations of
state, ideal gases, kinetic theory, ensembles, statistical
concepts and calculation of thermodynamic quantities, ther-
mal expansion and heat transfer)
5. QUANTUM MECHANICS (such as fundamental concepts, solutions 12
of the Schrodinger equation (including square wells, har-
monic oscillators, and hydrogenic atoms), spin, angular
momentum, wave function symmetry, elementary perturbation
theory)
6. ATOMIC PHYSICS (such as properties of electrons, Bohr model, 10
energy quantization, atomic structure, atomic spectra,
selection rules, black-body radiation, x-rays, atoms in
electric and magnetic fields)
7. SPECIAL RELATIVITY (such as introductory concepts, time 6
dilation, length contraction, simultaneity, energy and
momentum, four-vectors and Lorentz transformation, velocity
addition)
8. LABORATORY METHODS (such as data and error analysis, 6
electronics, instrumentation, radiation detection, counting
statistics, interaction of charged particles with matter,
lasers and optical interferometers, dimensional analysis,
fundamental applications of probability and statistics)
9. SPECIALIZED TOPICS: Nuclear and Particle physics (such as 9
nuclear properties, radioactive decay, fission and fusion,
reactions, fundamental properties of elementary particles),
Condensed Matter (such as crystal structure, x-ray diffrac-
tion, thermal properties, electron theory of metals, semi-
conductors, superconductors), Miscellaneous (such as astro-
physics, mathematical methods, computer applications)
conductors, su无根草★漂泊的日子scellaneous (such as astro-
physics, mathematical methods, computer applications)
Students taking the test should be familiar with certain mathematical
methods and their applications in physics. Such mathematical methods
include single and multivariate calculus, coordinate systems (rectangular,
cylindrical, and spherical), vector algebra and vector differential
operators, Fourier series, partial differential equations, boundary
value problems, matrices and determinants, and functions of complex
variables. These methods may appear in the test in the context of
various content categories as well as occasional questions concerning
only mathematics, in the specialized topics category above.
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