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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 critical angle
(N2)/(N1)
h/wavelength
mgCostheta(mu)d
K |q||Q|/r^2
2. force a charge in a Bfield
J= Ft
(Patm) + (Pgauge)
qVB
constant volume
3. velocity of an electrion as it exitws from the hole
roegh
n(Cv)(deltaT)
G M/((d/2)^2)
qrB/m
4. adibatic
no heat flow
MC(deltaT)
qV
(No)(wavelength)=(Nn)(new wavelength)
5. the electric force between two objects of charge Q
roeVg
K |q||Q|/r^2
.5KA^2
FV
6. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
nSintheta=nsintheta
rF
E/B
dSintheta=mwavelength
7. force of gravity between two objects of mass m
GM*M/(r^2)
inelastic collision
(No)(wavelength)=(Nn)(new wavelength)
J= Ft
8. formula for power with current and voltage
Q=CV
J= Ft
sqrt(T/(m/))
VI
9. formula for finding the magnetic field a distance r from a current carrying wire
0
M(Lf)
KI/r
h(Fo)
10. heat during a cyclic process (net heat)
(Wnet)/(Qin)
no force (right hand rule)
deltaU -deltaW
(3/2)nRdeltaT
11. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
(Wnet)/(Qin)
L -LCostheta
G M/((d/2)^2)
MC(deltaT)
12. the units of power other than watts
nSintheta=nsintheta
perfectly inelastic collision
joules/second
VI
13. third kinematic
V^2=(Vo)^2 +2a*change in x
M(Lf)
((Th) -(Tl))/(Th)
mgCostheta(mu)d
14. formula for the wavelength (debroglie wavelength) of a moving particle
(Patm) + (Pgauge)
h/mv
mgCostheta(mu)d
no temp change
15. formula for finding the momentum of a photon
h/wavelength
deltaU = deltaQ + deltaW
k|Q|/r^2
h(Fo)
16. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
MC(deltaT)
qV
(EMF)Rt/10
FV
17. formula for period of a pendulum
2Pi * sqrt(l/g)
nSintheta=nsintheta
-KA
V = (Vo) + at
18. velocity of waves on a string if tension is known
(EMF)Rt/10
Joules/Columb
mV -m(Vo)
sqrt(T/(m/))
19. units for voltage other than volts
G M/((d/2)^2)
nSintheta=nsintheta
Joules/Columb
qVB
20. second kinematic
E/B
(1/Do) + (1/Di) = (1/f)
delta x = (Vo)t + .5at^2
opposite motion
21. forgotten power equation
1/2wavelength
0
FV
F/A
22. new frequency of light as it enters a new substance
frequency never changes for light problems
(Di)/(Do) or (Hi)/(Ho)
2nt=mwavelength
perfectly inelastic collision
23. electric field in a distance r from a charge
(N2)/(N1)
k|Q|/r^2
h(Fo)
(1/Do) + (1/Di) = (1/f)
24. formula relating voltage and electric field
J= Ft
(No)(wavelength)=(Nn)(new wavelength)
Ed=V
0
25. electric potential a distance r from a charge
.5mV^2 + .5KA^2
pL/A
BLv
KQ/r
26. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
AV=(A2)(V2)
(Fn)(mu)
(EMF)Rt/10
constant pressure
27. new wavelength of light as it enters a new substance
(Patm) + (Pgauge)
K |q||Q|/r^2
nSintheta=nsintheta
(No)(wavelength)=(Nn)(new wavelength)
28. formula for finding the work function of a metal if the cutoff frequency is known
h(Fo)
constant pressure
d/2
frequency never changes for light problems
29. formula for impulse involving momentum
BLv
elastic collision
mV -m(Vo)
nSintheta=nsintheta
30. EMF of a battery having internal resistance R
(Wnet)/(Qin)
delta x = (Vo)t + .5at^2
V+IR
(Fn)(mu)
31. first kinematic
M(Lf)
V = (Vo) + at
Joules/Columb
opposite motion
32. formula for energy of a spring mass when spring is at maximum displacement
V = (Vo) + at
mgCostheta(mu)d
.5KA^2
KQ/r
33. force of frction on an incline
nSintheta=nsintheta
qrB/m
.5mV^2 + .5KA^2
mgCostheta(mu)d
34. the units of current other than amps
Columbs/second
no force (right hand rule)
GM*M/(r^2)
V^2=(Vo)^2 +2a*change in x
35. formula for torque
rF
(V^2)/R
V = (Vo) + at
net work = delta K
36. formula for finding magnetic flux
BA
V+IR
no heat flow
1/((1/C)+(1/C)..........)
37. formula for Carnot efficiency
G M/((d/2)^2)
((Th) -(Tl))/(Th)
Columbs/second
J= Ft
38. formula for efficiency not using work out
Q=CV
h/wavelength
K |q||Q|/r^2
((Qin) -(Qout))/(Qin)
39. equation for the first law of thermodynamics
joules/second
dSintheta=mwavelength
deltaU = deltaQ + deltaW
(Wnet)/(Qin)
40. type of collision where K is not conserved
opposite motion
BLv
Q=CV
inelastic collision
41. heat required to melt a substance
h/wavelength
h/mv
M(Lf)
sqrt(3KT/m)
42. work energy theorum
net work = delta K
(Di)/(Do) or (Hi)/(Ho)
rF
Ed=V
43. velocity of a molecule of gas
(3/2)nRdeltaT
sqrt(3KT/m)
perfectly inelastic collision
V+IR
44. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
(N2)/(N1)
VI
k|Q|/r^2
.5mV^2 + .5KA^2
45. type of collision where K is conserved
F/A
net work = delta K
elastic collision
((Th) -(Tl))/(Th)
46. force of friction
(3/2)nRdeltaT
F/A
(1/Do) + (1/Di) = (1/f)
(Fn)(mu)
47. resistance of a wire
Q=CV
constant pressure
pL/A
h(Fo)
48. natural frequency of a closed tube of length L
qE
1/4wavelength
perfectly inelastic collision
(V^2)/R
49. formula for change in internal energy in a cosnstat volume PV process
(3/2)nRdeltaT
F/A
J= Ft
Joules/Columb
50. formula for power with current and resistance
BLv
L -LCostheta
(I^2)R
(No)(wavelength)=(Nn)(new wavelength)