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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. third kinematic
(V^2)/R
joules/second
dSintheta=mwavelength
V^2=(Vo)^2 +2a*change in x
2. isothermal
2Pi * sqrt(l/g)
no temp change
(No)(wavelength)=(Nn)(new wavelength)
(EMF)Rt/10
3. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
Columbs/second
(I^2)RT
d/2
rF
4. energy stored in a capacitor
VI
inelastic collision
.5CV^2 or .5 Q^2/C or .5QV
qE
5. formula for period of a pendulum
2Pi * sqrt(l/g)
Columbs/second
frequency never changes for light problems
1/2wavelength
6. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
E/B
GM*M/(r^2)
1/((1/C)+(1/C)..........)
(EMF)Rt/10
7. equation for the first law of thermodynamics
-KA
net work = delta K
deltaU = deltaQ + deltaW
h/mv
8. natural frequency of an open tube of length L
BLv
mV -m(Vo)
V = (Vo) + at
1/2wavelength
9. the units of current other than amps
constant pressure
m(v^2)/qvB
Columbs/second
V = (Vo) + at
10. velocity of waves on a string if tension is known
(V^2)/r
sqrt(T/(m/))
((Th) -(Tl))/(Th)
mV -m(Vo)
11. the units of power other than watts
joules/second
mV -m(Vo)
nSintheta=nsintheta
1/4wavelength
12. equation of continuity
AV=(A2)(V2)
roegh
V = (Vo) + at
mV -m(Vo)
13. EMF of a battery having internal resistance R
V+IR
((Qin) -(Qout))/(Qin)
elastic collision
qE
14. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
(3/2)nRdeltaT
G M/((d/2)^2)
qV
M(Lf)
15. formula for finding the work function of a metal if the cutoff frequency is known
(Fn)(mu)
h(Fo)
G M/((d/2)^2)
constant pressure
16. formula for efficiency of a heat engine using work out
qVB
(Wnet)/(Qin)
perfectly inelastic collision
(V^2)/R
17. hooke's law force of a spring
inelastic collision
((Th) -(Tl))/(Th)
pL/A
-KA
18. second kinematic
delta x = (Vo)t + .5at^2
FV
no force (right hand rule)
no heat flow
19. snells law
Columbs/second
(I^2)R
nSintheta=nsintheta
(N2)/(N1)
20. pressure
h/mv
qV
F/A
BLv
21. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
BLv
(Fn)(mu)
.5mV^2 + .5KA^2
qV
22. force a charge in a Bfield
qVB
qE
V+IR
elastic collision
23. resistance of a wire
(V^2)/r
pL/A
V = (Vo) + at
roeVg
24. force of gravity between two objects of mass m
h(Fo)
mgCostheta(mu)d
GM*M/(r^2)
V^2=(Vo)^2 +2a*change in x
25. force of frction on an incline
-KA
mgCostheta(mu)d
Columbs/second
deltaU -deltaW
26. formula for finding the magnetic field a distance r from a current carrying wire
(N2)/(N1)
KI/r
1/2wavelength
G M/((d/2)^2)
27. formula for power with Voltage and resistance
no heat flow
(V^2)/R
(Di)/(Do) or (Hi)/(Ho)
inelastic collision
28. new frequency of light as it enters a new substance
qV
qrB/m
frequency never changes for light problems
rF
29. forgotten power equation
(Di)/(Do) or (Hi)/(Ho)
FV
.5mV^2 + .5KA^2
mV -m(Vo)
30. heat required to melt a substance
n(Cv)(deltaT)
(hc/wavelength)=h(Fo) +(Vs)
M(Lf)
0
31. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
qV
(hc/wavelength)=h(Fo) +(Vs)
pL/A
roegh
32. electric field in a distance r from a charge
k|Q|/r^2
1/4wavelength
h/wavelength
BA
33. focal length of a mirror with radius d
d/2
(Patm) + (Pgauge)
rF
(No)(wavelength)=(Nn)(new wavelength)
34. formula for impluse involving time
delta x = (Vo)t + .5at^2
J= Ft
qV
V+IR
35. formula for constructive interference in a thin membrane with two phase changes
constant volume
m(v^2)/qvB
Columbs/second
2nt=mwavelength
36. isometric
Columbs/second
constant volume
qV
VI
37. first kinematic
V = (Vo) + at
KQ/r
((Th) -(Tl))/(Th)
(N2)/(N1)
38. the electric force between two objects of charge Q
K |q||Q|/r^2
joules/second
net work = delta K
roeVg
39. formula for centripetal acceleration
dSintheta=mwavelength
h(Fo)
elastic collision
(V^2)/r
40. the force on a charge in an electric field
roegh
no force (right hand rule)
qE
h/wavelength
41. formula equating energy and mass
e=mc^2
k|Q|/r^2
1/2wavelength
rF
42. formula for finding the momentum of a photon
joules/second
Ed=V
roeVg
h/wavelength
43. velocity of an electrion as it exitws from the hole
(N2)/(N1)
BLv
(EMF)Rt/10
qrB/m
44. change in internal energy during a cyclic process
no temp change
.5CV^2 or .5 Q^2/C or .5QV
V^2=(Vo)^2 +2a*change in x
0
45. new wavelength of light as it enters a new substance
frequency never changes for light problems
inelastic collision
(3/2)nRdeltaT
(No)(wavelength)=(Nn)(new wavelength)
46. adibatic
net work = delta K
no heat flow
(Fn)(mu)
elastic collision
47. units for voltage other than volts
Joules/Columb
(Di)/(Do) or (Hi)/(Ho)
mV -m(Vo)
hc/wavelength
48. radius of curvature of a charged particle as it enters a uniform magnetic field
(1/Do) + (1/Di) = (1/f)
mV -m(Vo)
m(v^2)/qvB
Joules/Columb
49. formula for height of the block (at the start of a pendulum string) in terms of theta and L
Q=CV
L -LCostheta
(Wnet)/(Qin)
J= Ft
50. magnification equation
(Di)/(Do) or (Hi)/(Ho)
mgCostheta(mu)d
sqrt(T/(m/))
inelastic collision