SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. equation of continuity
2nt=mwavelength
qVB
(Patm) + (Pgauge)
AV=(A2)(V2)
2. the units of current other than amps
BLv
Columbs/second
G M/((d/2)^2)
V+IR
3. force of gravity between two objects of mass m
opposite motion
Columbs/second
GM*M/(r^2)
.5KA^2
4. natural frequency of an open tube of length L
1/2wavelength
sqrt(T/(m/))
qrB/m
VI
5. formula for efficiency not using work out
((Qin) -(Qout))/(Qin)
1/2wavelength
no heat flow
n(Cv)(deltaT)
6. formula for Carnot efficiency
-KA
((Th) -(Tl))/(Th)
Q=CV
opposite motion
7. change in internal energy during a cyclic process
(3/2)nRdeltaT
KQ/r
delta x = (Vo)t + .5at^2
0
8. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
KQ/r
G M/((d/2)^2)
V^2=(Vo)^2 +2a*change in x
(V^2)/R
9. force of frction on an incline
mgCostheta(mu)d
h(Fo)
opposite motion
GM*M/(r^2)
10. formula for finding the magnetic field a distance r from a current carrying wire
qrB/m
(I^2)R
KI/r
inelastic collision
11. heat required to change temperature of a substance
AV=(A2)(V2)
GM*M/(r^2)
MC(deltaT)
2Pi * sqrt(l/g)
12. what direction is friction?
opposite motion
0
deltaU = deltaQ + deltaW
Joules/Columb
13. the force on a charge in an electric field
e=mc^2
d/2
qE
2nt=mwavelength
14. formula for buoyant force
sqrt(T/(m/))
roeVg
(N2)/(N1)
no heat flow
15. formula for power with Voltage and resistance
E/B
(V^2)/R
.5KA^2
MC(deltaT)
16. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
nSintheta=nsintheta
V+IR
.5mV^2 + .5KA^2
no heat flow
17. isothermal
dSintheta=mwavelength
no force (right hand rule)
no temp change
G M/((d/2)^2)
18. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
qrB/m
qE
(I^2)RT
roegh
19. formula for finding the work function of a metal if the cutoff frequency is known
VI
pL/A
.5KA^2
h(Fo)
20. electric field in a distance r from a charge
(hc/wavelength)=h(Fo) +(Vs)
1/((1/C)+(1/C)..........)
k|Q|/r^2
(1/Do) + (1/Di) = (1/f)
21. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
(EMF)Rt/10
(hc/wavelength)=h(Fo) +(Vs)
.5mV^2 + .5KA^2
Joules/Columb
22. velocity of a molecule of gas
Joules/Columb
L -LCostheta
(Fn)(mu)
sqrt(3KT/m)
23. the electric force between two objects of charge Q
K |q||Q|/r^2
(N2)/(N1)
dSintheta=mwavelength
no temp change
24. the units of power other than watts
elastic collision
KQ/r
joules/second
nSintheta=nsintheta
25. velocity of an electrion as it exitws from the hole
V^2=(Vo)^2 +2a*change in x
opposite motion
sqrt(3KT/m)
qrB/m
26. formula to find the absoluate pressure at the bottom of a pool
(Patm) + (Pgauge)
FV
Joules/Columb
no heat flow
27. pressure
h(Fo)
F/A
AV=(A2)(V2)
(Di)/(Do) or (Hi)/(Ho)
28. units for voltage other than volts
delta x = (Vo)t + .5at^2
Joules/Columb
1/((1/C)+(1/C)..........)
elastic collision
29. formula for impluse involving time
h/mv
J= Ft
((Th) -(Tl))/(Th)
1/4wavelength
30. adibatic
J= Ft
hc/wavelength
(EMF)Rt/10
no heat flow
31. formula for power with current and voltage
1/((1/C)+(1/C)..........)
VI
GM*M/(r^2)
roegh
32. formula for impulse involving momentum
delta x = (Vo)t + .5at^2
mV -m(Vo)
VI
Ed=V
33. formula for torque
Columbs/second
opposite motion
V = (Vo) + at
rF
34. magnification equation
net work = delta K
(Di)/(Do) or (Hi)/(Ho)
1/4wavelength
e=mc^2
35. formula equating energy and mass
m(v^2)/qvB
Q=CV
sqrt(T/(m/))
e=mc^2
36. formula for finding magnetic flux
BA
(V^2)/R
qE
roegh
37. focal length of a mirror with radius d
d/2
2nt=mwavelength
V = (Vo) + at
h(Fo)
38. voltage induced in a rod moving through a uniform magnetic field
BLv
K |q||Q|/r^2
.5CV^2 or .5 Q^2/C or .5QV
qE
39. formula for efficiency of a heat engine using work out
sqrt(3KT/m)
constant pressure
Ed=V
(Wnet)/(Qin)
40. formula relating voltage and electric field
Ed=V
.5KA^2
Q=CV
KQ/r
41. formula for critical angle
frequency never changes for light problems
(N2)/(N1)
Ed=V
roegh
42. snells law
nSintheta=nsintheta
no force (right hand rule)
roegh
constant pressure
43. formula for centripetal acceleration
AV=(A2)(V2)
h/mv
(V^2)/r
d/2
44. formula to find the gauge pressure at the bottom of a pool
no force (right hand rule)
roegh
(Wnet)/(Qin)
hc/wavelength
45. work energy theorum
V^2=(Vo)^2 +2a*change in x
net work = delta K
KQ/r
(3/2)nRdeltaT
46. formula for the wavelength (debroglie wavelength) of a moving particle
(V^2)/r
h/wavelength
delta x = (Vo)t + .5at^2
h/mv
47. formula for constructive interference in a diffraction grating
mV -m(Vo)
joules/second
dSintheta=mwavelength
no force (right hand rule)
48. type of collision where K is not conserved
VI
-KA
J= Ft
inelastic collision
49. equation for the first law of thermodynamics
qVB
deltaU = deltaQ + deltaW
net work = delta K
sqrt(T/(m/))
50. formula for power with current and resistance
VI
FV
(I^2)R
((Th) -(Tl))/(Th)