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