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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 to find the gauge pressure at the bottom of a pool
qVB
roegh
((Th) -(Tl))/(Th)
net work = delta K
2. type of collision where K is not conserved
inelastic collision
rF
mgCostheta(mu)d
no temp change
3. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
qrB/m
E/B
.5CV^2 or .5 Q^2/C or .5QV
1/((1/C)+(1/C)..........)
4. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
FV
.5mV^2 + .5KA^2
sqrt(3KT/m)
(I^2)RT
5. heat required to melt a substance
M(Lf)
inelastic collision
nSintheta=nsintheta
VI
6. the electric force between two objects of charge Q
frequency never changes for light problems
KQ/r
K |q||Q|/r^2
L -LCostheta
7. formula for centripetal acceleration
FV
nSintheta=nsintheta
L -LCostheta
(V^2)/r
8. third kinematic
V^2=(Vo)^2 +2a*change in x
qE
E/B
qV
9. formula for finding the momentum of a photon
hc/wavelength
h/wavelength
n(Cv)(deltaT)
M(Lf)
10. lens/mirror equation
e=mc^2
(1/Do) + (1/Di) = (1/f)
KQ/r
net work = delta K
11. change in internal energy during a cyclic process
joules/second
KI/r
delta x = (Vo)t + .5at^2
0
12. formula for finding the magnetic field a distance r from a current carrying wire
roegh
F/A
KI/r
1/4wavelength
13. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
V+IR
qV
1/((1/C)+(1/C)..........)
(1/Do) + (1/Di) = (1/f)
14. the force on a charge moving parallel to a magnetic field
n(Cv)(deltaT)
mV -m(Vo)
no heat flow
no force (right hand rule)
15. type of collision where K is conserved
qV
elastic collision
h/mv
joules/second
16. formula for Carnot efficiency
2nt=mwavelength
2Pi * sqrt(l/g)
0
((Th) -(Tl))/(Th)
17. units for voltage other than volts
Joules/Columb
(3/2)nRdeltaT
(V^2)/R
h/mv
18. velocity of an electrion as it exitws from the hole
AV=(A2)(V2)
no force (right hand rule)
net work = delta K
qrB/m
19. formula for impluse involving time
L -LCostheta
J= Ft
Columbs/second
inelastic collision
20. hooke's law force of a spring
-KA
qVB
mgCostheta(mu)d
(Patm) + (Pgauge)
21. the units of current other than amps
FV
h(Fo)
Columbs/second
F/A
22. 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
.5KA^2
elastic collision
MC(deltaT)
23. the units of power other than watts
-KA
(Patm) + (Pgauge)
joules/second
no force (right hand rule)
24. resistance of a wire
(N2)/(N1)
m(v^2)/qvB
pL/A
opposite motion
25. formula for impulse involving momentum
mV -m(Vo)
V+IR
(Di)/(Do) or (Hi)/(Ho)
delta x = (Vo)t + .5at^2
26. pressure
F/A
1/2wavelength
FV
qE
27. formula for constructive interference in a thin membrane with two phase changes
h(Fo)
e=mc^2
frequency never changes for light problems
2nt=mwavelength
28. equation of continuity
GM*M/(r^2)
AV=(A2)(V2)
M(Lf)
dSintheta=mwavelength
29. formula equating energy and mass
(I^2)RT
e=mc^2
qV
no heat flow
30. velocity of waves on a string if tension is known
sqrt(T/(m/))
perfectly inelastic collision
VI
Ed=V
31. formula for efficiency not using work out
G M/((d/2)^2)
2Pi * sqrt(l/g)
no heat flow
((Qin) -(Qout))/(Qin)
32. force a charge in a Bfield
.5mV^2 + .5KA^2
M(Lf)
2Pi * sqrt(l/g)
qVB
33. natural frequency of a closed tube of length L
(Wnet)/(Qin)
.5KA^2
1/4wavelength
Columbs/second
34. electric potential a distance r from a charge
KQ/r
deltaU = deltaQ + deltaW
sqrt(T/(m/))
.5KA^2
35. equation for the first law of thermodynamics
joules/second
G M/((d/2)^2)
deltaU = deltaQ + deltaW
MC(deltaT)
36. formula for efficiency of a heat engine using work out
(I^2)R
BA
qrB/m
(Wnet)/(Qin)
37. formula for torque
-KA
rF
joules/second
V = (Vo) + at
38. isobaric
BA
constant pressure
opposite motion
perfectly inelastic collision
39. formula for energy of a spring mass when spring is at maximum displacement
mV -m(Vo)
hc/wavelength
.5KA^2
n(Cv)(deltaT)
40. adibatic
no heat flow
L -LCostheta
((Qin) -(Qout))/(Qin)
qE
41. formula for buoyant force
FV
roeVg
GM*M/(r^2)
no force (right hand rule)
42. formula for constructive interference in a diffraction grating
no force (right hand rule)
FV
G M/((d/2)^2)
dSintheta=mwavelength
43. velocity of a molecule of gas
Columbs/second
(EMF)Rt/10
.5mV^2 + .5KA^2
sqrt(3KT/m)
44. second kinematic
delta x = (Vo)t + .5at^2
M(Lf)
n(Cv)(deltaT)
VI
45. formula for charge stored in a capciator
h(Fo)
Q=CV
no force (right hand rule)
hc/wavelength
46. heat during a cyclic process (net heat)
BA
G M/((d/2)^2)
frequency never changes for light problems
deltaU -deltaW
47. formula for the wavelength (debroglie wavelength) of a moving particle
Ed=V
AV=(A2)(V2)
h/mv
(Patm) + (Pgauge)
48. force of friction
no force (right hand rule)
(Fn)(mu)
-KA
(EMF)Rt/10
49. radius of curvature of a charged particle as it enters a uniform magnetic field
(hc/wavelength)=h(Fo) +(Vs)
m(v^2)/qvB
V^2=(Vo)^2 +2a*change in x
(Di)/(Do) or (Hi)/(Ho)
50. snells law
(EMF)Rt/10
nSintheta=nsintheta
hc/wavelength
inelastic collision