SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
GRE Physics
Start Test
Study First
Subjects
:
gre
,
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. Selection Rules
Measurements close to true value
Q = U + W Q = heat in system - U = total energy in system - W = work done by gas
?s = 0 - ?l = ±1
E ~ (1/(n_f)² - 1/(n_i)²) ~ 1/?
2. Work done on a gas
? = 1.22? / d
µ0 I1I2 / (2pd)
DW = P dV
L = T - V dL/dq = d/dt dL/dqdot
3. De Broglie wavelength
ma + kx = 0
? = h/p
? = 1.22?/D
North to south; Earth has S magnetic pole at the N geographic pole and vice versa.
4. Electromotive Force
PdV +dU
I = I_cm + (1/2)m d^2
DW/dq
E = Z²*E1
5. Time Lorentz Transformation
North to south; Earth has S magnetic pole at the N geographic pole and vice versa.
? (t-vx/c²)
Dp/dt = L / (t ?V)
Z = ?g_i*exp(-E/kT)
6. Lagrangian and Lagrange'S equation
v(mean)
? = ?_0 Sqrt[(1+v/c)/(1-v/c)]
L = T - V dL/dq = d/dt dL/dqdot
E_n = -µ c^2 Z a^2 / (2n^2) - with µ = m_1 m_2 / (m_1 + m_2)
7. Mech: Centripetal Force
1/f = (n-1)(1/R1 - 1/R2) if both positive - they are convex - concave
F = mv²/r
H = H_0 + ?H
.5 CV²
8. Astro: Aperture Formula (Rayleigh Criterion)
? = 1.22?/D
1s² - 2s² 2p6 - 3s² 3p6 3d¹°
U - ts = -tlog(Z)
I = -(c ?t)^2 + d^2
9. Source Free RL Circuit
Exp(N(µ-e)/t)
div(E) = ?/e_0 - curl(E) = der(B)/der(t) - div(B) = 0 - curl(B) = µ_0J + µ_0e_0*der(E)/der(t)
(3/2) n R ?t
IR + Ldi/dt = 0 - I = I0e(-tL/R) Work = 1/2 L I0^2
10. EM: AC Resonance
Cos[?] Sin[?] -Sin[?] Cos[?]
X_L = X_C or X_total = 0
E = Vmin : circle - E = 0 : parabola - E<0 : el - E>0 : h
D/dt (.5*r^2 d?/dt) = 0 - r(?) = a(1-e²)/(1+ecos(?)) - T²aA³
11. EM: Reactance of Capacitor
1/2 CV²
X_C = 1/(i?C)
C = 4pe0 ab/(a-b) = inner and outer radii
S = k ln[O] ; dS = dQ/T
12. Lab: Standard Deviation of Poisson
v(mean)
P1V1 - P2V2 / (? - 1)
J = ? Fdt
S_mean = s/Sqrt[N]
13. Spherical Capacitor Equation
Const: 2t = (n +.5)? Destructive 2t = n?
C = 4pe0 ab/(a-b) = inner and outer radii
Let w_i = 1/s_i^2;x_wav = S(w_i x_i) / Sw_i - s_xwav = 1/Sw_i
F = µ0 q v I / 2pr
14. Atom: Positronium Reduced Mass
µ = m_e/2
E = Vmin : circle - E = 0 : parabola - E<0 : el - E>0 : h
Q = CVexp(-t/RC)
Let w_i = 1/s_i^2;x_wav = S(w_i x_i) / Sw_i - s_xwav = 1/Sw_i
15. Springs in series/parallel
Series: 1/k_eq = 1/k_1 + 1/k_2; Parallel: k_eq = k_1 + k_2
V = -L di/dt
?s = 0 - ?l = ±1
F_f = µ*F_N
16. Doppler Shift for light
? = ?0 root((1-v/c)/(1+v/c))
X_L = X_C or X_total = 0
Q = CVexp(-t/RC)
div(E) = ?/e_0 - curl(E) = der(B)/der(t) - div(B) = 0 - curl(B) = µ_0J + µ_0e_0*der(E)/der(t)
17. Doppler Shift in Frequency
F = f* (c+v_r)/(c+v_s)
F = µ0 q v I / 2pr
D/dt (.5*r^2 d?/dt) = 0 - r(?) = a(1-e²)/(1+ecos(?)) - T²aA³
I = -(c ?t)^2 + d^2
18. RLC resonance condition
Z_C + Z_L = 0. Occurs when ?=1/Sqrt[L C]
X_L = i?L
? = 1.22? / d
U = t^2 d/dt (logZ)
19. Bohr Model: Energy
F = qv×B
Z²/n² (m_red/m_elec)
E = <?| H |?>
T = I?²/2
20. Virial Theorem
J = E s - s = Conductivity - E = Electric field
NC?T
<T> = 1/2 * <dV/dx>
P(s) = (1/Z) Exp[-E(s)/(k T)] Z = S_s(Exp[-E(s)/(k T)])
21. EM: Parallel Capacitance
P² ~ R³
?_max = b/T
Z = ?g_i*exp(-E/kT)
C_eq = ?C_i
22. Magnetic Dipole Moment and Torque
Faraday/Lenz: current inducted opposes the changing field
µ = Current * Area T = µ x B
Cv = dE/dT = 3R
?= h/v(2mE)
23. Thermo: Average Total Energy
Exponential - E = -ma²/2hbar² - a is strength of delta wellt
In Zeeman effect - the contribution of electron spin to total angular momentum means that it isn'T always three lines and they are not always equally spaced.
1/2 CV²
(° of Freedom)kT/2
24. Rayleigh'S Criterion
Sin(?) = ?/d
Braking Radiation
Triplet: symmetric - net spin 1 Singlet: antisymmetric - net spin 0
When you apply a uniform electric field - it induces a dipole moment and interacts with it - and that effect depends on |mj |. So if j is an integer - splits (asymmetrically) into j+1 levels - and if j is a half integer - splits (asymmetrically) into
25. Relativistic Momentum
µ0 I / 2pR
?mv
ma + kx = 0
? = 1.22? / d
26. Ohm'S Law w/ current density
J = E s - s = Conductivity - E = Electric field
C = 4pe0 ab/(a-b) = inner and outer radii
N d flux / dt
When you apply a uniform electric field - it induces a dipole moment and interacts with it - and that effect depends on |mj |. So if j is an integer - splits (asymmetrically) into j+1 levels - and if j is a half integer - splits (asymmetrically) into
27. A reversible process stays..
U - ts = -tlog(Z)
E = <?| H |?>
Infinitely close to equilibrium at all times
T = I?²/2
28. Malus Law
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
29. Bohr Model: Radii
N²/Z (m_elec/m_red)
(° of Freedom)kT/2
.5 CV²
I = -(c ?t)^2 + d^2
30. Stoke'S Theorem
µ = m_e/2
Triplet: symmetric - net spin 1 Singlet: antisymmetric - net spin 0
F = mv²/r
Int ( A . dr) = Int ( del x A) dSurface
31. EM: Series Capacitance
Cos[?] Sin[?] -Sin[?] Cos[?]
C_eq = (? 1/C_i)^-1
E = s/e_0
?scl = +/-1;?m = 0 - +/-1;?S_tot = 0;(?j = ?scl + ?S_tot)
32. Focal point of mirrror with curvature
µ = Current * Area T = µ x B
F = R/2
Q = U + W Q = heat in system - U = total energy in system - W = work done by gas
Int ( A . dr) = Int ( del x A) dSurface
33. Atom: Bohr Theory Ionization
D/dt (.5*r^2 d?/dt) = 0 - r(?) = a(1-e²)/(1+ecos(?)) - T²aA³
DB = ( µ_0 I/(4Pi) ) dl(cross)rhat/r^2
I = I_cm + (1/2)m d^2
E = Z²*E1
34. Rocket Equation
?scl = +/-1;?m = 0 - +/-1;?S_tot = 0;(?j = ?scl + ?S_tot)
Dv = -udm/m - v = v0 + u ln(m0/m)
Interference: (m+.5)? = d sin(?) Diffraction: m? = w sin(?)
Q = U + W Q = heat in system - U = total energy in system - W = work done by gas
35. Astro: p-p Chain
J = E s - s = Conductivity - E = Electric field
v(mean)
J/(ne) n: atom density
4H + 2e- ? He +2? + 6?
36. Invariant spatial quantity
Product ( nj ^ vj ) = Product(nqj ^ vj exp (-vj F(int)/Tau))
L = T - V dL/dq = d/dt dL/dqdot
Exponentially decreasing radial function
Ct²-x²-y²-z²
37. Clausius-Clapeyron Equation
1/2 CV²
Dp/dt = L / (t ?V)
J = ? Fdt
?_max = b/T
38. Thermo: 1st Law
Interference: (m+.5)? = d sin(?) Diffraction: m? = w sin(?)
Z²/n² (m_red/m_elec)
dQ = dW +dU
?L/A - L = length - A = cross sectional area - rho is electrical resistivity
39. Hamiltonian and Hamilton'S equations
H = T + V;qdot_i = dH/dp_i - pdot_i = dH/dq_i
I = -(c ?t)^2 + d^2
A[B -C] + [A -C]B
Exponential - E = -ma²/2hbar² - a is strength of delta wellt
40. Lensmaker Equation - Thin Lens
J = ? Fdt
D/dt (.5*r^2 d?/dt) = 0 - r(?) = a(1-e²)/(1+ecos(?)) - T²aA³
(3/2) n R ?t
1/f = (n-1)(1/R1 - 1/R2) if both positive - they are convex - concave
41. Kepler'S third law (T and R)
<?|O|?>
I = I_cm + md²
<T> = 1/2 * <dV/dx>
T^2 = k R^3 - k=constant
42. Rayleigh criterion
? = 1.22? / d
Always Real
P(s) = (1/Z) Exp[-E(s)/(k T)] Z = S_s(Exp[-E(s)/(k T)])
?~T
43. Single Slit Diffraction Intensity
Infinitely close to equilibrium at all times
Ct²-x²-y²-z²
I = Im (sinc²(a)) ; a = pai sin(?) / ?
E ~ (1/(n_f)² - 1/(n_i)²) ~ 1/?
44. EM: Electric Field inside of Conductor
µ0 I1I2 / (2pd)
I_z = I_x + I_y (think hoop symmetry)
0
Q = CVexp(-t/RC)
45. Kepler'S Three Laws
ih_barL_z
? = h/mv
(° of Freedom)kT/2
D/dt (.5*r^2 d?/dt) = 0 - r(?) = a(1-e²)/(1+ecos(?)) - T²aA³
46. Atom: Orbital Config
1s² - 2s² 2p6 - 3s² 3p6 3d¹°
?~1/T
F = s * T4
E_n = -µ c^2 Z a^2 / (2n^2) - with µ = m_1 m_2 / (m_1 + m_2)
47. Triplet/singlet states: symmetry and net spin
Triplet: symmetric - net spin 1 Singlet: antisymmetric - net spin 0
D/dt (.5*r^2 d?/dt) = 0 - r(?) = a(1-e²)/(1+ecos(?)) - T²aA³
µ = Current * Area T = µ x B
S = (hbar/2) s ;with S = S_x xhat + S_y yhat + S_z zhat -s = s_x xhat + s_y yhat + s_z zhat
48. Mech: Impulse
J = ? Fdt
T^2 = k R^3 - k=constant
Faraday/Lenz: current inducted opposes the changing field
Cos[?] Sin[?] -Sin[?] Cos[?]
49. Force exerted on charge by long wire
Cos[?] Sin[?] -Sin[?] Cos[?]
Ct²-x²-y²-z²
Interference: (m+.5)? = d sin(?) Diffraction: m? = w sin(?)
F = µ0 q v I / 2pr
50. SR: Total Energy of a Particle
SR: ?=? - ß=? E = ?mc² = v(p²c² + m²c4)
I = -(c ?t)^2 + d^2
I_z = I_x + I_y (think hoop symmetry)
Asin(?) = m?
Sorry!:) No result found.
Can you answer 50 questions in 15 minutes?
Let me suggest you:
Browse all subjects
Browse all tests
Most popular tests
Major Subjects
Tests & Exams
AP
CLEP
DSST
GRE
SAT
GMAT
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests