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MCAT Physics Formulas

Subjects : mcat, science

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. across capacitor what remains constant
Virtual upright
More rigid material
Voltage
???

2. resistance in series
Req=R1+R2+R3 Veq=V1+V2+V3
V=IR
?=2L/n
F=q/e0

3. center of curvature is...
V=?A
Sin=0 cos=1
Nsin?incident=nsin?refraction
2 times the focal distance

4. light ray that strikes a surface
Resistor
100% of the object will be submerged but will not sink
Degree=p/180 radian
Incident ray

5. type of heat transfer involving the physical motion of heated material
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
F=xk=mg
Real image
Convection

6. temperature and resistors
I=P/A
Nsin?incident=nsin?refraction
Higher temperature increases resistance
???

7. resistance in parallel
F=nv/2L
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
V=IR
X=(initial horizontal v)(time in air)

8. units for viscosity
N*s/m^2
J=Force*Time=mv - mvo=?p
Gamma decay
???

9. magnetic field of solenoid
B=
Holds whenever we have a change in energy ?E=?KE+?PE=0
?=2L/n
Force and acceleration

10. ? of sound wave=
2pvL/g
V/??
N is proportional to 1/?
F=- F

11. a virtual image has what kind of image distance
Conduction
Negative
V=ED
Energy gained by particle with charge of e when moved through one volt

12. work done by non conservative force

13. capacitors in parallel
Y=(F/A)/(?L/L) stress over strain
Ceq=C1+C2+C3 Veq=V1=V2=V3
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
Real inverted

14. 45
Protons+neutrons
None
Low voltage to high voltage
Sin=v2/2 cos=v2/2

15. Newtons 1st law of motion
Body in motion remains in motion unless net force acts upon it
F=1/2(r)
2pvL/g
Side opposite From which light originates

16. sound level
Beta=10Log(I/Io)
W=Fdcos?
When in parallel
F=xk=mg

17. kirchhoff's rule -- travel from positive to negative
F=1/2(r)
Emf is negative
T=1/f
Farad 1 F= 1 c/v

18. weight
Hydrostatics
W=mg=?Vg
Gas to solid
Yield strength

19. dielectric material
Beta=
Pressure to move - voltage when no charge is moving between 2 terminals
Will never decrease capacitance
Conductor

20. resistance equation
image/object
F=Gm1m2/r^2
R=pL/A
Vrms=Vmax/v2

21. pressure
F/A
??=nv/4L
Sin=0 cos=1
EV

22. parabolic mirror: object between c and f - image is...
Sin=1/2 cos=v3/2
Bigger and beyond original object
Electric fields of all the light waves are oriented in the same direction
Force and acceleration

23. light bends away from normal when
Bigger and beyond original object
Counterclockwise is + clockwise is -
Insulator
N1>n2

24. force experienced by moving charge traveling parallel or antiparallel to magnetic field
?=2L/n
None
Emf is positive
Incident ray

25. viscosity
Counterclockwise is + clockwise is -
Hydrostatics
V=?A
Fluid resistance to flow

26. length of resistor
WATTS
The shortest wavelength
Increase length increase resistance
Force a molecule of liquid feels toward the other molecules of the liquid

27. vertical velocity of projectile
Vsin?
Coulomb=amphere*sec
Insulator
T=1/f

28. amplitude of spring is proportional to...
W=qv
Force and acceleration
Virtual upright
2pvm/k

29. electric potential energy
Slower light will travel
Negative
Approx .7
U=QV

30. z in isotopic notation
0K -273
Number of protons
Approx .7
U=(1/2)kx^2

31. type of heat transfer involving transfer of energy by electromagnetic waves
Force a molecule of liquid feels toward molecules of some other substance
Radiation
Virtual
T=rFsin?

32. energy of moving proton
K+U=constant
1/2mv^2
2
Increases

33. charge of gamma particles
Irms=Imax/v2
E=neE n is excess charge
1/f=1/o+ 1/i
None

34. density with units
?=m/v kg/m^3 g/ml g/cm^3
Virtual upright
Holds whenever we have a change in energy ?E=?KE+?PE=0
More flow less resistance

35. electric field equation
E=kQ/r^2
Light travels from high n to lower n with an angle of incidence greater than the critical angle
F=- F
Farad 1 F= 1 c/v

36. SI unit for pressure
W=mg=?Vg
Pascal (Pa) N/m^2
Fk=
Difference between the absolute and atm pressure Pg=P- Patm

37. adhesion
Number of protons
U=(1/2)kx^2
E=1/2k(A^2)
Force a molecule of liquid feels toward molecules of some other substance

38. ?
Beta=10Log(I/Io)
Charge/length
F=1/2(r)
Kg*m/s^2

39. 0
V=kq/r
Sin=0 cos=1
Charge/area
B=(F/A)/(?V/V)

40. osmotic pressure formula
Weighted average of the masses of the element
Surface
MRT
It jumps to higher energy level

41. boiling point of H2O in K and C
2 times the focal distance
3a=Beta
373K 100
0K -273

42. Log(1000)=
Perpendicular to each other
Conductor
Y=(F/A)/(?L/L) stress over strain
3

43. excess energy of a photon is...
P=1/f
Real image
Converted to extra kinetic energy of the emitted electron
Photon energy must be greater than work function of the material

44. period (T) and frequency (f) of a tone are related by
Electric fields of all the light waves are oriented in the same direction
?x=1/2(v+vo)t
C=eoKA/D
T=1/f

45. current of AC
Voltage
Irms=Imax/v2
Difference between the mass of nucleus and the sum of nucleons
2pvm/k

46. mirror image is on same side as object
Real image
MRT
Frequency
Points away from + and toward -

47. type of heat transfer involving direct transfer of energy from molecule to molecule through molecular collisions
E=neE n is excess charge
EV
Conduction
No image is formed

48. angular frequency of spring ?
N is proportional to 1/?
?=vk/m=2p??
Sin=1/2 cos=v3/2
Approx .7

49. freezing point of H2O in K and C
273K 0
P=m?v
?=vk/m=2p??
???

50. What is displacement equation
Insulator
Q=mL
?x=1/2(v+vo)t
Spreading out of light as it passes through a narrow opening