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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. lens/mirror equation
deltaU -deltaW
h(Fo)
(1/Do) + (1/Di) = (1/f)
V = (Vo) + at
2. formula to find the absoluate pressure at the bottom of a pool
(V^2)/r
(Patm) + (Pgauge)
BLv
(Di)/(Do) or (Hi)/(Ho)
3. formula for critical angle
1/((1/C)+(1/C)..........)
n(Cv)(deltaT)
(N2)/(N1)
perfectly inelastic collision
4. the force on a charge in an electric field
.5KA^2
qE
(I^2)RT
KQ/r
5. voltage induced in a rod moving through a uniform magnetic field
h/mv
BLv
n(Cv)(deltaT)
Q=CV
6. formula for power with current and resistance
1/4wavelength
(I^2)R
k|Q|/r^2
no force (right hand rule)
7. formula for change in internal energy in a cosnstat volume PV process
hc/wavelength
(Fn)(mu)
(3/2)nRdeltaT
no force (right hand rule)
8. formula for power with Voltage and resistance
m(v^2)/qvB
sqrt(T/(m/))
perfectly inelastic collision
(V^2)/R
9. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
nSintheta=nsintheta
E/B
.5KA^2
qrB/m
10. the electric force between two objects of charge Q
FV
(1/Do) + (1/Di) = (1/f)
h/mv
K |q||Q|/r^2
11. magnification equation
d/2
(Di)/(Do) or (Hi)/(Ho)
J= Ft
Ed=V
12. heat during an isometric process
mV -m(Vo)
Q=CV
V+IR
n(Cv)(deltaT)
13. forgotten power equation
deltaU = deltaQ + deltaW
FV
MC(deltaT)
BLv
14. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
roeVg
G M/((d/2)^2)
(Patm) + (Pgauge)
Q=CV
15. formula for the wavelength (debroglie wavelength) of a moving particle
h/mv
elastic collision
frequency never changes for light problems
FV
16. formula for charge stored in a capciator
V+IR
frequency never changes for light problems
AV=(A2)(V2)
Q=CV
17. formula for efficiency not using work out
((Qin) -(Qout))/(Qin)
M(Lf)
h/wavelength
0
18. the force on a charge moving parallel to a magnetic field
no force (right hand rule)
(V^2)/r
K |q||Q|/r^2
h/wavelength
19. the units of power other than watts
(No)(wavelength)=(Nn)(new wavelength)
0
no temp change
joules/second
20. isobaric
Columbs/second
1/((1/C)+(1/C)..........)
constant pressure
(Wnet)/(Qin)
21. velocity of an electrion as it exitws from the hole
MC(deltaT)
(V^2)/R
(I^2)RT
qrB/m
22. formula for finding the magnetic field a distance r from a current carrying wire
FV
KI/r
(Fn)(mu)
constant volume
23. formula to find the gauge pressure at the bottom of a pool
(Di)/(Do) or (Hi)/(Ho)
((Th) -(Tl))/(Th)
roegh
M(Lf)
24. 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
.5CV^2 or .5 Q^2/C or .5QV
d/2
rF
25. formula for period of a pendulum
Joules/Columb
2Pi * sqrt(l/g)
(I^2)RT
roeVg
26. work energy theorum
d/2
BLv
net work = delta K
hc/wavelength
27. energy of a photon if wavelength is known
joules/second
(Wnet)/(Qin)
hc/wavelength
.5mV^2 + .5KA^2
28. formula relating voltage and electric field
Ed=V
MC(deltaT)
Q=CV
1/2wavelength
29. focal length of a mirror with radius d
M(Lf)
qE
d/2
elastic collision
30. formula for impulse involving momentum
(3/2)nRdeltaT
mV -m(Vo)
constant pressure
E/B
31. hooke's law force of a spring
-KA
(hc/wavelength)=h(Fo) +(Vs)
KI/r
2nt=mwavelength
32. type of collision where K is conserved
Q=CV
elastic collision
m(v^2)/qvB
qrB/m
33. formula for height of the block (at the start of a pendulum string) in terms of theta and L
Columbs/second
(Wnet)/(Qin)
L -LCostheta
(hc/wavelength)=h(Fo) +(Vs)
34. pressure
pL/A
Columbs/second
rF
F/A
35. formula for centripetal acceleration
(V^2)/r
constant pressure
no heat flow
m(v^2)/qvB
36. formula for constructive interference in a diffraction grating
dSintheta=mwavelength
KI/r
MC(deltaT)
(3/2)nRdeltaT
37. the units of current other than amps
BA
inelastic collision
Joules/Columb
Columbs/second
38. isometric
E/B
qE
perfectly inelastic collision
constant volume
39. formula for power with current and voltage
VI
perfectly inelastic collision
Ed=V
deltaU -deltaW
40. third kinematic
E/B
opposite motion
no force (right hand rule)
V^2=(Vo)^2 +2a*change in x
41. heat during a cyclic process (net heat)
perfectly inelastic collision
deltaU -deltaW
nSintheta=nsintheta
V^2=(Vo)^2 +2a*change in x
42. heat required to melt a substance
1/2wavelength
BA
M(Lf)
no heat flow
43. force of gravity between two objects of mass m
GM*M/(r^2)
e=mc^2
VI
qV
44. formula for Carnot efficiency
(I^2)RT
((Th) -(Tl))/(Th)
qV
Columbs/second
45. type of collision where objects stick togerther
h/wavelength
frequency never changes for light problems
1/2wavelength
perfectly inelastic collision
46. formula for torque
Ed=V
rF
delta x = (Vo)t + .5at^2
e=mc^2
47. total capacitance of capacitors in series
e=mc^2
1/4wavelength
1/((1/C)+(1/C)..........)
(V^2)/R
48. resistance of a wire
joules/second
h/mv
pL/A
Ed=V
49. change in internal energy during a cyclic process
KQ/r
(hc/wavelength)=h(Fo) +(Vs)
0
k|Q|/r^2
50. velocity of waves on a string if tension is known
pL/A
sqrt(T/(m/))
deltaU -deltaW
Q=CV