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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 finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
roegh
G M/((d/2)^2)
VI
no heat flow
2. EMF of a battery having internal resistance R
(Patm) + (Pgauge)
V+IR
no force (right hand rule)
2nt=mwavelength
3. force of friction
E/B
elastic collision
(Fn)(mu)
F/A
4. focal length of a mirror with radius d
joules/second
inelastic collision
(3/2)nRdeltaT
d/2
5. heat required to melt a substance
sqrt(3KT/m)
M(Lf)
qE
FV
6. isothermal
no temp change
h/wavelength
no heat flow
KQ/r
7. type of collision where objects stick togerther
(1/Do) + (1/Di) = (1/f)
perfectly inelastic collision
K |q||Q|/r^2
qV
8. force a charge in a Bfield
2nt=mwavelength
qVB
(1/Do) + (1/Di) = (1/f)
(3/2)nRdeltaT
9. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
(hc/wavelength)=h(Fo) +(Vs)
m(v^2)/qvB
V^2=(Vo)^2 +2a*change in x
(EMF)Rt/10
10. formula for torque
1/4wavelength
rF
e=mc^2
BLv
11. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
pL/A
AV=(A2)(V2)
(EMF)Rt/10
Q=CV
12. formula for efficiency of a heat engine using work out
no heat flow
1/2wavelength
(Wnet)/(Qin)
mgCostheta(mu)d
13. formula equating energy and mass
e=mc^2
(V^2)/r
Joules/Columb
J= Ft
14. force of gravity between two objects of mass m
M(Lf)
joules/second
no temp change
GM*M/(r^2)
15. radius of curvature of a charged particle as it enters a uniform magnetic field
K |q||Q|/r^2
-KA
m(v^2)/qvB
no temp change
16. heat required to change temperature of a substance
MC(deltaT)
1/2wavelength
d/2
qrB/m
17. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
pL/A
(I^2)RT
KQ/r
E/B
18. formula for height of the block (at the start of a pendulum string) in terms of theta and L
VI
L -LCostheta
(3/2)nRdeltaT
KQ/r
19. energy stored in a capacitor
M(Lf)
.5CV^2 or .5 Q^2/C or .5QV
inelastic collision
opposite motion
20. total capacitance of capacitors in series
Columbs/second
m(v^2)/qvB
(Fn)(mu)
1/((1/C)+(1/C)..........)
21. natural frequency of a closed tube of length L
VI
V^2=(Vo)^2 +2a*change in x
pL/A
1/4wavelength
22. isometric
((Qin) -(Qout))/(Qin)
sqrt(3KT/m)
constant volume
e=mc^2
23. third kinematic
KQ/r
V^2=(Vo)^2 +2a*change in x
V = (Vo) + at
F/A
24. snells law
m(v^2)/qvB
(No)(wavelength)=(Nn)(new wavelength)
nSintheta=nsintheta
e=mc^2
25. natural frequency of an open tube of length L
qE
1/2wavelength
AV=(A2)(V2)
no temp change
26. formula for centripetal acceleration
qV
-KA
constant pressure
(V^2)/r
27. formula for Carnot efficiency
sqrt(3KT/m)
((Th) -(Tl))/(Th)
constant volume
BLv
28. the force on a charge moving parallel to a magnetic field
(N2)/(N1)
1/4wavelength
elastic collision
no force (right hand rule)
29. velocity of an electrion as it exitws from the hole
1/((1/C)+(1/C)..........)
roegh
(V^2)/R
qrB/m
30. isobaric
(Patm) + (Pgauge)
mV -m(Vo)
frequency never changes for light problems
constant pressure
31. resistance of a wire
Ed=V
((Th) -(Tl))/(Th)
(I^2)R
pL/A
32. formula for finding the momentum of a photon
(I^2)RT
h/wavelength
F/A
e=mc^2
33. formula for energy of a spring mass when spring is at maximum displacement
1/((1/C)+(1/C)..........)
.5KA^2
qE
(Fn)(mu)
34. magnification equation
constant pressure
constant volume
h/mv
(Di)/(Do) or (Hi)/(Ho)
35. formula for buoyant force
L -LCostheta
e=mc^2
roeVg
FV
36. voltage induced in a rod moving through a uniform magnetic field
BLv
inelastic collision
MC(deltaT)
KI/r
37. work energy theorum
.5CV^2 or .5 Q^2/C or .5QV
Joules/Columb
deltaU -deltaW
net work = delta K
38. formula for impulse involving momentum
mV -m(Vo)
(I^2)R
((Th) -(Tl))/(Th)
MC(deltaT)
39. formula for finding magnetic flux
BA
no heat flow
qV
E/B
40. first kinematic
V = (Vo) + at
M(Lf)
roegh
sqrt(3KT/m)
41. formula for finding the magnetic field a distance r from a current carrying wire
roegh
KI/r
(I^2)RT
BLv
42. formula for the wavelength (debroglie wavelength) of a moving particle
frequency never changes for light problems
V = (Vo) + at
h/mv
roegh
43. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
.5CV^2 or .5 Q^2/C or .5QV
hc/wavelength
(I^2)RT
V+IR
44. adibatic
(I^2)R
G M/((d/2)^2)
Columbs/second
no heat flow
45. forgotten power equation
no heat flow
FV
h/mv
V^2=(Vo)^2 +2a*change in x
46. formula relating voltage and electric field
Ed=V
(Di)/(Do) or (Hi)/(Ho)
d/2
inelastic collision
47. type of collision where K is conserved
FV
.5mV^2 + .5KA^2
elastic collision
roeVg
48. electric potential a distance r from a charge
1/((1/C)+(1/C)..........)
KQ/r
((Th) -(Tl))/(Th)
.5CV^2 or .5 Q^2/C or .5QV
49. formula for change in internal energy in a cosnstat volume PV process
h/mv
(3/2)nRdeltaT
((Th) -(Tl))/(Th)
(V^2)/R
50. the units of power other than watts
L -LCostheta
joules/second
qrB/m
(Patm) + (Pgauge)