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