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