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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. isobaric
constant pressure
((Th) -(Tl))/(Th)
Columbs/second
no force (right hand rule)
2. formula for Carnot efficiency
V+IR
((Th) -(Tl))/(Th)
1/((1/C)+(1/C)..........)
frequency never changes for light problems
3. velocity of a molecule of gas
sqrt(3KT/m)
e=mc^2
roegh
G M/((d/2)^2)
4. heat required to change temperature of a substance
rF
qV
MC(deltaT)
h/mv
5. radius of curvature of a charged particle as it enters a uniform magnetic field
(V^2)/R
VI
m(v^2)/qvB
no force (right hand rule)
6. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
qrB/m
(EMF)Rt/10
elastic collision
qE
7. resistance of a wire
pL/A
Joules/Columb
K |q||Q|/r^2
(Fn)(mu)
8. heat during an isometric process
h(Fo)
n(Cv)(deltaT)
sqrt(T/(m/))
qVB
9. heat during a cyclic process (net heat)
V^2=(Vo)^2 +2a*change in x
deltaU -deltaW
Columbs/second
(Di)/(Do) or (Hi)/(Ho)
10. formula for the wavelength (debroglie wavelength) of a moving particle
1/((1/C)+(1/C)..........)
h/mv
.5CV^2 or .5 Q^2/C or .5QV
1/2wavelength
11. electric field in a distance r from a charge
joules/second
k|Q|/r^2
n(Cv)(deltaT)
(3/2)nRdeltaT
12. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
E/B
nSintheta=nsintheta
AV=(A2)(V2)
.5mV^2 + .5KA^2
13. force of frction on an incline
mgCostheta(mu)d
2Pi * sqrt(l/g)
V+IR
GM*M/(r^2)
14. formula for critical angle
constant pressure
(N2)/(N1)
opposite motion
V = (Vo) + at
15. formula for power with current and voltage
mgCostheta(mu)d
roeVg
1/((1/C)+(1/C)..........)
VI
16. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
1/2wavelength
(hc/wavelength)=h(Fo) +(Vs)
(EMF)Rt/10
(V^2)/R
17. formula for finding magnetic flux
(hc/wavelength)=h(Fo) +(Vs)
nSintheta=nsintheta
K |q||Q|/r^2
BA
18. formula for efficiency of a heat engine using work out
(Wnet)/(Qin)
constant volume
V = (Vo) + at
.5CV^2 or .5 Q^2/C or .5QV
19. isothermal
K |q||Q|/r^2
qV
h/wavelength
no temp change
20. third kinematic
M(Lf)
net work = delta K
V^2=(Vo)^2 +2a*change in x
.5CV^2 or .5 Q^2/C or .5QV
21. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
.5mV^2 + .5KA^2
((Qin) -(Qout))/(Qin)
VI
h/wavelength
22. formula for torque
rF
(EMF)Rt/10
E/B
(I^2)RT
23. total capacitance of capacitors in series
roegh
(Wnet)/(Qin)
1/((1/C)+(1/C)..........)
AV=(A2)(V2)
24. the force on a charge in an electric field
qE
(3/2)nRdeltaT
V = (Vo) + at
qrB/m
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
(Patm) + (Pgauge)
qVB
(I^2)RT
0
26. formula for period of a pendulum
k|Q|/r^2
2nt=mwavelength
2Pi * sqrt(l/g)
(V^2)/r
27. EMF of a battery having internal resistance R
V+IR
BLv
-KA
e=mc^2
28. formula for constructive interference in a diffraction grating
((Qin) -(Qout))/(Qin)
hc/wavelength
dSintheta=mwavelength
(3/2)nRdeltaT
29. formula to find the absoluate pressure at the bottom of a pool
(Patm) + (Pgauge)
(V^2)/r
(I^2)R
delta x = (Vo)t + .5at^2
30. formula to find the gauge pressure at the bottom of a pool
G M/((d/2)^2)
elastic collision
roegh
AV=(A2)(V2)
31. formula for constructive interference in a thin membrane with two phase changes
2nt=mwavelength
VI
k|Q|/r^2
roeVg
32. energy stored in a capacitor
(Wnet)/(Qin)
.5CV^2 or .5 Q^2/C or .5QV
M(Lf)
Joules/Columb
33. formula for power with current and resistance
delta x = (Vo)t + .5at^2
(No)(wavelength)=(Nn)(new wavelength)
qVB
(I^2)R
34. formula relating voltage and electric field
qrB/m
dSintheta=mwavelength
h/mv
Ed=V
35. formula equating energy and mass
e=mc^2
deltaU = deltaQ + deltaW
(Fn)(mu)
AV=(A2)(V2)
36. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
delta x = (Vo)t + .5at^2
-KA
qV
(EMF)Rt/10
37. formula for centripetal acceleration
GM*M/(r^2)
m(v^2)/qvB
-KA
(V^2)/r
38. heat required to melt a substance
1/((1/C)+(1/C)..........)
M(Lf)
(V^2)/R
2nt=mwavelength
39. lens/mirror equation
0
delta x = (Vo)t + .5at^2
(1/Do) + (1/Di) = (1/f)
frequency never changes for light problems
40. first kinematic
(Di)/(Do) or (Hi)/(Ho)
FV
1/4wavelength
V = (Vo) + at
41. new wavelength of light as it enters a new substance
qVB
delta x = (Vo)t + .5at^2
sqrt(3KT/m)
(No)(wavelength)=(Nn)(new wavelength)
42. snells law
(EMF)Rt/10
constant volume
nSintheta=nsintheta
Joules/Columb
43. electric potential a distance r from a charge
inelastic collision
(Patm) + (Pgauge)
KQ/r
V^2=(Vo)^2 +2a*change in x
44. formula for finding the work function of a metal if the cutoff frequency is known
h(Fo)
(hc/wavelength)=h(Fo) +(Vs)
.5KA^2
m(v^2)/qvB
45. energy of a photon if wavelength is known
mV -m(Vo)
d/2
1/((1/C)+(1/C)..........)
hc/wavelength
46. equation of continuity
1/((1/C)+(1/C)..........)
(Fn)(mu)
E/B
AV=(A2)(V2)
47. velocity of an electrion as it exitws from the hole
qrB/m
-KA
1/((1/C)+(1/C)..........)
V^2=(Vo)^2 +2a*change in x
48. formula for finding the magnetic field a distance r from a current carrying wire
KI/r
E/B
V = (Vo) + at
V+IR
49. the units of current other than amps
(Di)/(Do) or (Hi)/(Ho)
Columbs/second
h/mv
perfectly inelastic collision
50. formula for impulse involving momentum
no temp change
-KA
sqrt(3KT/m)
mV -m(Vo)