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