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