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