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