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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. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
mgCostheta(mu)d
(hc/wavelength)=h(Fo) +(Vs)
sqrt(T/(m/))
M(Lf)
2. snells law
constant pressure
nSintheta=nsintheta
AV=(A2)(V2)
h/mv
3. first kinematic
(hc/wavelength)=h(Fo) +(Vs)
F/A
V = (Vo) + at
(Fn)(mu)
4. formula for efficiency of a heat engine using work out
roeVg
(3/2)nRdeltaT
(Wnet)/(Qin)
(Patm) + (Pgauge)
5. force a charge in a Bfield
no heat flow
.5CV^2 or .5 Q^2/C or .5QV
qVB
(No)(wavelength)=(Nn)(new wavelength)
6. electric field in a distance r from a charge
KI/r
K |q||Q|/r^2
(V^2)/R
k|Q|/r^2
7. the force on a charge moving parallel to a magnetic field
AV=(A2)(V2)
((Qin) -(Qout))/(Qin)
perfectly inelastic collision
no force (right hand rule)
8. formula equating energy and mass
n(Cv)(deltaT)
(hc/wavelength)=h(Fo) +(Vs)
V^2=(Vo)^2 +2a*change in x
e=mc^2
9. formula for finding magnetic flux
mV -m(Vo)
BA
deltaU -deltaW
Joules/Columb
10. forgotten power equation
((Th) -(Tl))/(Th)
FV
(3/2)nRdeltaT
((Qin) -(Qout))/(Qin)
11. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
(1/Do) + (1/Di) = (1/f)
rF
qV
(Wnet)/(Qin)
12. formula for the wavelength (debroglie wavelength) of a moving particle
V^2=(Vo)^2 +2a*change in x
Columbs/second
1/2wavelength
h/mv
13. new wavelength of light as it enters a new substance
Q=CV
V = (Vo) + at
MC(deltaT)
(No)(wavelength)=(Nn)(new wavelength)
14. natural frequency of an open tube of length L
M(Lf)
-KA
1/2wavelength
L -LCostheta
15. heat required to melt a substance
M(Lf)
.5KA^2
deltaU = deltaQ + deltaW
hc/wavelength
16. the electric force between two objects of charge Q
d/2
K |q||Q|/r^2
(EMF)Rt/10
-KA
17. formula for power with current and resistance
K |q||Q|/r^2
(I^2)R
MC(deltaT)
(No)(wavelength)=(Nn)(new wavelength)
18. total capacitance of capacitors in series
V = (Vo) + at
1/((1/C)+(1/C)..........)
F/A
L -LCostheta
19. energy stored in a capacitor
KI/r
constant pressure
.5CV^2 or .5 Q^2/C or .5QV
E/B
20. work energy theorum
((Qin) -(Qout))/(Qin)
qrB/m
net work = delta K
(I^2)RT
21. adibatic
sqrt(3KT/m)
rF
no heat flow
Q=CV
22. heat during a cyclic process (net heat)
e=mc^2
(3/2)nRdeltaT
AV=(A2)(V2)
deltaU -deltaW
23. resistance of a wire
deltaU -deltaW
m(v^2)/qvB
pL/A
h/wavelength
24. formula for torque
M(Lf)
Columbs/second
FV
rF
25. formula for period of a pendulum
2Pi * sqrt(l/g)
BLv
Joules/Columb
Columbs/second
26. isometric
Q=CV
2Pi * sqrt(l/g)
constant volume
2nt=mwavelength
27. formula to find the absoluate pressure at the bottom of a pool
V^2=(Vo)^2 +2a*change in x
J= Ft
(Wnet)/(Qin)
(Patm) + (Pgauge)
28. equation of continuity
(V^2)/R
AV=(A2)(V2)
2nt=mwavelength
deltaU -deltaW
29. formula for centripetal acceleration
(V^2)/r
(Patm) + (Pgauge)
sqrt(T/(m/))
2Pi * sqrt(l/g)
30. velocity of a molecule of gas
sqrt(3KT/m)
constant pressure
qrB/m
0
31. EMF of a battery having internal resistance R
k|Q|/r^2
GM*M/(r^2)
h/mv
V+IR
32. formula for energy of a spring mass when spring is at maximum displacement
roeVg
BA
VI
.5KA^2
33. formula for efficiency not using work out
delta x = (Vo)t + .5at^2
h/mv
((Qin) -(Qout))/(Qin)
Joules/Columb
34. energy of a photon if wavelength is known
(Wnet)/(Qin)
qrB/m
2Pi * sqrt(l/g)
hc/wavelength
35. formula for change in internal energy in a cosnstat volume PV process
((Qin) -(Qout))/(Qin)
Columbs/second
F/A
(3/2)nRdeltaT
36. force of frction on an incline
mgCostheta(mu)d
qrB/m
BLv
no heat flow
37. the units of current other than amps
d/2
(3/2)nRdeltaT
Columbs/second
deltaU = deltaQ + deltaW
38. second kinematic
rF
n(Cv)(deltaT)
(No)(wavelength)=(Nn)(new wavelength)
delta x = (Vo)t + .5at^2
39. new frequency of light as it enters a new substance
F/A
Columbs/second
e=mc^2
frequency never changes for light problems
40. formula for height of the block (at the start of a pendulum string) in terms of theta and L
(1/Do) + (1/Di) = (1/f)
h(Fo)
L -LCostheta
V = (Vo) + at
41. magnification equation
2Pi * sqrt(l/g)
(Di)/(Do) or (Hi)/(Ho)
(3/2)nRdeltaT
.5CV^2 or .5 Q^2/C or .5QV
42. voltage induced in a rod moving through a uniform magnetic field
mV -m(Vo)
qrB/m
BLv
perfectly inelastic collision
43. velocity of waves on a string if tension is known
sqrt(T/(m/))
.5CV^2 or .5 Q^2/C or .5QV
F/A
BLv
44. equation for the first law of thermodynamics
.5CV^2 or .5 Q^2/C or .5QV
Joules/Columb
deltaU = deltaQ + deltaW
(Fn)(mu)
45. formula for critical angle
KI/r
-KA
((Th) -(Tl))/(Th)
(N2)/(N1)
46. formula for buoyant force
constant volume
roeVg
AV=(A2)(V2)
M(Lf)
47. radius of curvature of a charged particle as it enters a uniform magnetic field
Joules/Columb
K |q||Q|/r^2
m(v^2)/qvB
opposite motion
48. the force on a charge in an electric field
constant pressure
qE
(I^2)RT
GM*M/(r^2)
49. force of friction
(Fn)(mu)
qV
J= Ft
rF
50. the units of power other than watts
m(v^2)/qvB
(V^2)/r
MC(deltaT)
joules/second