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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. type of collision where K is not conserved
constant volume
V = (Vo) + at
perfectly inelastic collision
inelastic collision
2. formula relating voltage and electric field
Ed=V
sqrt(T/(m/))
no heat flow
KQ/r
3. formula for the wavelength (debroglie wavelength) of a moving particle
((Th) -(Tl))/(Th)
h/mv
mV -m(Vo)
AV=(A2)(V2)
4. formula for efficiency not using work out
h/mv
GM*M/(r^2)
((Qin) -(Qout))/(Qin)
.5mV^2 + .5KA^2
5. formula for torque
roegh
h/wavelength
Q=CV
rF
6. formula for charge stored in a capciator
-KA
Q=CV
h(Fo)
1/4wavelength
7. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
Q=CV
1/2wavelength
(hc/wavelength)=h(Fo) +(Vs)
sqrt(T/(m/))
8. focal length of a mirror with radius d
(Di)/(Do) or (Hi)/(Ho)
d/2
2nt=mwavelength
K |q||Q|/r^2
9. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
F/A
d/2
Joules/Columb
qV
10. formula for finding magnetic flux
VI
BLv
E/B
BA
11. heat during a cyclic process (net heat)
(No)(wavelength)=(Nn)(new wavelength)
deltaU -deltaW
MC(deltaT)
KI/r
12. radius of curvature of a charged particle as it enters a uniform magnetic field
.5KA^2
m(v^2)/qvB
qE
(V^2)/r
13. hooke's law force of a spring
-KA
(Patm) + (Pgauge)
(Wnet)/(Qin)
d/2
14. the force on a charge in an electric field
M(Lf)
roeVg
qE
delta x = (Vo)t + .5at^2
15. formula to find the absoluate pressure at the bottom of a pool
2nt=mwavelength
(Patm) + (Pgauge)
2Pi * sqrt(l/g)
mV -m(Vo)
16. formula for constructive interference in a diffraction grating
joules/second
Joules/Columb
dSintheta=mwavelength
FV
17. formula for buoyant force
qV
mV -m(Vo)
BA
roeVg
18. pressure
F/A
(Fn)(mu)
.5mV^2 + .5KA^2
2nt=mwavelength
19. third kinematic
roegh
Columbs/second
V^2=(Vo)^2 +2a*change in x
M(Lf)
20. EMF of a battery having internal resistance R
V+IR
Q=CV
constant pressure
pL/A
21. voltage induced in a rod moving through a uniform magnetic field
Ed=V
.5mV^2 + .5KA^2
(V^2)/r
BLv
22. adibatic
qV
rF
2nt=mwavelength
no heat flow
23. energy stored in a capacitor
.5CV^2 or .5 Q^2/C or .5QV
Q=CV
(hc/wavelength)=h(Fo) +(Vs)
elastic collision
24. units for voltage other than volts
(Wnet)/(Qin)
deltaU -deltaW
((Qin) -(Qout))/(Qin)
Joules/Columb
25. magnification equation
V^2=(Vo)^2 +2a*change in x
roegh
(Di)/(Do) or (Hi)/(Ho)
J= Ft
26. type of collision where objects stick togerther
F/A
(1/Do) + (1/Di) = (1/f)
n(Cv)(deltaT)
perfectly inelastic collision
27. lens/mirror equation
K |q||Q|/r^2
(I^2)R
(1/Do) + (1/Di) = (1/f)
no temp change
28. formula for constructive interference in a thin membrane with two phase changes
2nt=mwavelength
(No)(wavelength)=(Nn)(new wavelength)
h/wavelength
mV -m(Vo)
29. heat required to change temperature of a substance
MC(deltaT)
elastic collision
K |q||Q|/r^2
(V^2)/R
30. formula for finding the magnetic field a distance r from a current carrying wire
KI/r
((Qin) -(Qout))/(Qin)
qV
1/((1/C)+(1/C)..........)
31. formula for power with current and voltage
VI
roeVg
Joules/Columb
net work = delta K
32. heat required to melt a substance
(V^2)/R
qV
deltaU = deltaQ + deltaW
M(Lf)
33. what direction is friction?
rF
opposite motion
deltaU -deltaW
(No)(wavelength)=(Nn)(new wavelength)
34. the units of power other than watts
(N2)/(N1)
d/2
frequency never changes for light problems
joules/second
35. new frequency of light as it enters a new substance
qVB
k|Q|/r^2
deltaU = deltaQ + deltaW
frequency never changes for light problems
36. isothermal
(Fn)(mu)
frequency never changes for light problems
Columbs/second
no temp change
37. formula for critical angle
qV
h/wavelength
(N2)/(N1)
V^2=(Vo)^2 +2a*change in x
38. second kinematic
delta x = (Vo)t + .5at^2
Ed=V
((Qin) -(Qout))/(Qin)
1/4wavelength
39. change in internal energy during a cyclic process
h(Fo)
0
(3/2)nRdeltaT
d/2
40. formula for centripetal acceleration
(V^2)/r
mgCostheta(mu)d
GM*M/(r^2)
dSintheta=mwavelength
41. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
(V^2)/r
(V^2)/R
(EMF)Rt/10
h/mv
42. natural frequency of an open tube of length L
1/2wavelength
qV
sqrt(T/(m/))
(hc/wavelength)=h(Fo) +(Vs)
43. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
qV
1/4wavelength
G M/((d/2)^2)
0
44. formula for Carnot efficiency
qV
no temp change
((Th) -(Tl))/(Th)
dSintheta=mwavelength
45. first kinematic
V^2=(Vo)^2 +2a*change in x
2Pi * sqrt(l/g)
constant volume
V = (Vo) + at
46. equation for the first law of thermodynamics
deltaU = deltaQ + deltaW
MC(deltaT)
h/wavelength
net work = delta K
47. formula equating energy and mass
mV -m(Vo)
pL/A
((Qin) -(Qout))/(Qin)
e=mc^2
48. new wavelength of light as it enters a new substance
(No)(wavelength)=(Nn)(new wavelength)
k|Q|/r^2
(V^2)/r
h/mv
49. formula for change in internal energy in a cosnstat volume PV process
qVB
V^2=(Vo)^2 +2a*change in x
G M/((d/2)^2)
(3/2)nRdeltaT
50. resistance of a wire
qV
(No)(wavelength)=(Nn)(new wavelength)
.5CV^2 or .5 Q^2/C or .5QV
pL/A