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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. new frequency of light as it enters a new substance
frequency never changes for light problems
BLv
e=mc^2
((Qin) -(Qout))/(Qin)
2. change in internal energy during a cyclic process
0
no force (right hand rule)
perfectly inelastic collision
KQ/r
3. formula for finding magnetic flux
.5CV^2 or .5 Q^2/C or .5QV
V^2=(Vo)^2 +2a*change in x
BA
V = (Vo) + at
4. the electric force between two objects of charge Q
J= Ft
dSintheta=mwavelength
perfectly inelastic collision
K |q||Q|/r^2
5. total capacitance of capacitors in series
V = (Vo) + at
Columbs/second
1/((1/C)+(1/C)..........)
M(Lf)
6. formula relating voltage and electric field
-KA
Ed=V
constant volume
sqrt(3KT/m)
7. energy of a photon if wavelength is known
E/B
n(Cv)(deltaT)
hc/wavelength
V = (Vo) + at
8. snells law
nSintheta=nsintheta
no temp change
roeVg
2nt=mwavelength
9. formula for energy of a spring mass when spring is at maximum displacement
G M/((d/2)^2)
V+IR
.5KA^2
no temp change
10. formula for efficiency of a heat engine using work out
no force (right hand rule)
(Wnet)/(Qin)
AV=(A2)(V2)
BLv
11. formula for period of a pendulum
qrB/m
2Pi * sqrt(l/g)
Columbs/second
no force (right hand rule)
12. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
(hc/wavelength)=h(Fo) +(Vs)
KQ/r
sqrt(3KT/m)
(Di)/(Do) or (Hi)/(Ho)
13. third kinematic
sqrt(3KT/m)
deltaU -deltaW
V^2=(Vo)^2 +2a*change in x
KI/r
14. type of collision where objects stick togerther
perfectly inelastic collision
roeVg
mV -m(Vo)
roegh
15. forgotten power equation
1/2wavelength
KI/r
FV
2Pi * sqrt(l/g)
16. what direction is friction?
h/mv
opposite motion
h(Fo)
mV -m(Vo)
17. formula for charge stored in a capciator
V^2=(Vo)^2 +2a*change in x
Q=CV
(Wnet)/(Qin)
nSintheta=nsintheta
18. formula for finding the momentum of a photon
qV
h/wavelength
constant volume
perfectly inelastic collision
19. magnification equation
(I^2)R
qE
BLv
(Di)/(Do) or (Hi)/(Ho)
20. electric potential a distance r from a charge
(3/2)nRdeltaT
.5mV^2 + .5KA^2
F/A
KQ/r
21. force of friction
qV
(Fn)(mu)
.5KA^2
(hc/wavelength)=h(Fo) +(Vs)
22. formula to find the gauge pressure at the bottom of a pool
roegh
d/2
E/B
qVB
23. formula for impulse involving momentum
mV -m(Vo)
joules/second
deltaU -deltaW
E/B
24. 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)
V = (Vo) + at
Columbs/second
mgCostheta(mu)d
25. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
qVB
(I^2)RT
qV
delta x = (Vo)t + .5at^2
26. second kinematic
no temp change
F/A
(EMF)Rt/10
delta x = (Vo)t + .5at^2
27. adibatic
no heat flow
Q=CV
E/B
hc/wavelength
28. electric field in a distance r from a charge
h/mv
k|Q|/r^2
joules/second
L -LCostheta
29. equation of continuity
constant pressure
V^2=(Vo)^2 +2a*change in x
AV=(A2)(V2)
deltaU = deltaQ + deltaW
30. force a charge in a Bfield
qVB
roeVg
F/A
(hc/wavelength)=h(Fo) +(Vs)
31. units for voltage other than volts
pL/A
AV=(A2)(V2)
Joules/Columb
roeVg
32. the force on a charge in an electric field
(Di)/(Do) or (Hi)/(Ho)
constant pressure
qE
h(Fo)
33. velocity of an electrion as it exitws from the hole
mV -m(Vo)
no temp change
KI/r
qrB/m
34. type of collision where K is conserved
elastic collision
n(Cv)(deltaT)
deltaU -deltaW
mV -m(Vo)
35. formula for constructive interference in a thin membrane with two phase changes
FV
2nt=mwavelength
MC(deltaT)
M(Lf)
36. formula for finding the magnetic field a distance r from a current carrying wire
KI/r
F/A
.5CV^2 or .5 Q^2/C or .5QV
dSintheta=mwavelength
37. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
(EMF)Rt/10
0
(No)(wavelength)=(Nn)(new wavelength)
VI
38. force of frction on an incline
perfectly inelastic collision
L -LCostheta
mgCostheta(mu)d
1/2wavelength
39. the force on a charge moving parallel to a magnetic field
no force (right hand rule)
.5CV^2 or .5 Q^2/C or .5QV
V^2=(Vo)^2 +2a*change in x
Q=CV
40. formula for impluse involving time
mV -m(Vo)
(3/2)nRdeltaT
J= Ft
d/2
41. velocity of waves on a string if tension is known
(3/2)nRdeltaT
k|Q|/r^2
sqrt(T/(m/))
2nt=mwavelength
42. formula for power with Voltage and resistance
opposite motion
F/A
(V^2)/R
(hc/wavelength)=h(Fo) +(Vs)
43. formula for efficiency not using work out
V = (Vo) + at
GM*M/(r^2)
((Qin) -(Qout))/(Qin)
KI/r
44. formula for Carnot efficiency
((Th) -(Tl))/(Th)
qrB/m
mV -m(Vo)
(hc/wavelength)=h(Fo) +(Vs)
45. formula to find the absoluate pressure at the bottom of a pool
opposite motion
V^2=(Vo)^2 +2a*change in x
sqrt(T/(m/))
(Patm) + (Pgauge)
46. formula for height of the block (at the start of a pendulum string) in terms of theta and L
n(Cv)(deltaT)
constant pressure
L -LCostheta
hc/wavelength
47. heat during a cyclic process (net heat)
Joules/Columb
deltaU -deltaW
(I^2)RT
FV
48. the units of current other than amps
Columbs/second
frequency never changes for light problems
roeVg
V^2=(Vo)^2 +2a*change in x
49. isometric
Q=CV
constant volume
inelastic collision
deltaU -deltaW
50. natural frequency of a closed tube of length L
1/4wavelength
GM*M/(r^2)
V^2=(Vo)^2 +2a*change in x
mV -m(Vo)