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Test your basic knowledge |
AP Physics Formulas
Start Test
Study First
Subjects
:
science
,
ap
,
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. velocity of a molecule of gas
sqrt(3KT/m)
KI/r
Joules/Columb
KQ/r
2. what direction is friction?
qrB/m
2nt=mwavelength
nSintheta=nsintheta
opposite motion
3. equation of continuity
F/A
h/wavelength
AV=(A2)(V2)
(I^2)RT
4. formula to find the absoluate pressure at the bottom of a pool
qV
(I^2)RT
(Patm) + (Pgauge)
M(Lf)
5. formula for impluse involving time
roegh
BLv
GM*M/(r^2)
J= Ft
6. formula for efficiency of a heat engine using work out
sqrt(T/(m/))
nSintheta=nsintheta
(Wnet)/(Qin)
roeVg
7. formula to find the gauge pressure at the bottom of a pool
roegh
F/A
(Fn)(mu)
inelastic collision
8. formula for finding the work function of a metal if the cutoff frequency is known
h(Fo)
((Qin) -(Qout))/(Qin)
nSintheta=nsintheta
Q=CV
9. formula for finding the magnetic field a distance r from a current carrying wire
KI/r
k|Q|/r^2
.5mV^2 + .5KA^2
GM*M/(r^2)
10. formula for power with Voltage and resistance
(V^2)/R
delta x = (Vo)t + .5at^2
2nt=mwavelength
no heat flow
11. natural frequency of an open tube of length L
1/2wavelength
.5KA^2
(Fn)(mu)
hc/wavelength
12. heat required to melt a substance
M(Lf)
(EMF)Rt/10
frequency never changes for light problems
(Patm) + (Pgauge)
13. isothermal
no temp change
FV
hc/wavelength
(I^2)RT
14. formula for finding the momentum of a photon
h/wavelength
L -LCostheta
1/4wavelength
n(Cv)(deltaT)
15. the force on a charge moving parallel to a magnetic field
0
VI
((Qin) -(Qout))/(Qin)
no force (right hand rule)
16. second kinematic
Ed=V
G M/((d/2)^2)
(3/2)nRdeltaT
delta x = (Vo)t + .5at^2
17. formula for energy of a spring mass when spring is at maximum displacement
.5KA^2
1/2wavelength
KI/r
((Qin) -(Qout))/(Qin)
18. the force on a charge in an electric field
mgCostheta(mu)d
joules/second
qE
(1/Do) + (1/Di) = (1/f)
19. force of friction
(Fn)(mu)
(Patm) + (Pgauge)
n(Cv)(deltaT)
(V^2)/R
20. heat required to change temperature of a substance
MC(deltaT)
d/2
no force (right hand rule)
(V^2)/r
21. formula for the wavelength (debroglie wavelength) of a moving particle
(Patm) + (Pgauge)
pL/A
inelastic collision
h/mv
22. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
G M/((d/2)^2)
dSintheta=mwavelength
(hc/wavelength)=h(Fo) +(Vs)
Joules/Columb
23. forgotten power equation
h/wavelength
FV
VI
1/4wavelength
24. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
-KA
.5mV^2 + .5KA^2
KQ/r
roeVg
25. formula equating energy and mass
L -LCostheta
J= Ft
mgCostheta(mu)d
e=mc^2
26. formula for height of the block (at the start of a pendulum string) in terms of theta and L
L -LCostheta
n(Cv)(deltaT)
qVB
BA
27. isobaric
constant pressure
M(Lf)
sqrt(3KT/m)
.5KA^2
28. the units of power other than watts
joules/second
(V^2)/r
perfectly inelastic collision
no heat flow
29. total capacitance of capacitors in series
1/2wavelength
frequency never changes for light problems
1/((1/C)+(1/C)..........)
no heat flow
30. units for voltage other than volts
AV=(A2)(V2)
e=mc^2
Joules/Columb
MC(deltaT)
31. the units of current other than amps
sqrt(T/(m/))
BA
KI/r
Columbs/second
32. resistance of a wire
(1/Do) + (1/Di) = (1/f)
pL/A
qrB/m
sqrt(3KT/m)
33. formula for Carnot efficiency
1/((1/C)+(1/C)..........)
((Th) -(Tl))/(Th)
V+IR
no heat flow
34. natural frequency of a closed tube of length L
constant pressure
MC(deltaT)
hc/wavelength
1/4wavelength
35. first kinematic
V = (Vo) + at
((Qin) -(Qout))/(Qin)
e=mc^2
m(v^2)/qvB
36. formula for change in internal energy in a cosnstat volume PV process
(3/2)nRdeltaT
h/wavelength
(Di)/(Do) or (Hi)/(Ho)
(Fn)(mu)
37. formula for power with current and resistance
(I^2)R
mV -m(Vo)
0
opposite motion
38. work energy theorum
V+IR
d/2
VI
net work = delta K
39. lens/mirror equation
-KA
qrB/m
pL/A
(1/Do) + (1/Di) = (1/f)
40. formula for critical angle
(N2)/(N1)
((Qin) -(Qout))/(Qin)
(hc/wavelength)=h(Fo) +(Vs)
2Pi * sqrt(l/g)
41. voltage induced in a rod moving through a uniform magnetic field
BLv
qrB/m
GM*M/(r^2)
deltaU -deltaW
42. formula for power with current and voltage
e=mc^2
VI
joules/second
FV
43. formula relating voltage and electric field
Ed=V
.5KA^2
(3/2)nRdeltaT
1/4wavelength
44. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
V = (Vo) + at
mgCostheta(mu)d
E/B
1/((1/C)+(1/C)..........)
45. snells law
constant volume
(EMF)Rt/10
joules/second
nSintheta=nsintheta
46. energy stored in a capacitor
(Di)/(Do) or (Hi)/(Ho)
2nt=mwavelength
rF
.5CV^2 or .5 Q^2/C or .5QV
47. force a charge in a Bfield
qVB
(1/Do) + (1/Di) = (1/f)
hc/wavelength
V = (Vo) + at
48. formula for efficiency not using work out
((Th) -(Tl))/(Th)
((Qin) -(Qout))/(Qin)
opposite motion
M(Lf)
49. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
no heat flow
(I^2)RT
net work = delta K
Columbs/second
50. hooke's law force of a spring
(V^2)/r
2Pi * sqrt(l/g)
mgCostheta(mu)d
-KA