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