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