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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. volumetric rate of flow (property)
Constant for closed system independent of changes in area
F=mv^2/r
Vsin?
It is halved

2. Bernoulli's equation
More malleable material
E=kQ/r^2
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
??=nv/4L

3. under constant acceleration - two ways ?x=
Vot+1/2at^2=(V0+v/2)t
Sin=v2/2 cos=v2/2
Virtual upright smaller
Convection

4. Log(1000)=
Proton or neutron
Splitting of atomic nuclei
W'=?E=?KE+?U
3

5. frequency of spring is inversely proportional to...
Coulomb=amphere*sec
Beta=10Log(I/Io)
Vsin?
Mass

6. volume thermal expansion of a solid
Intensity
?V=BetaV?T
A=v^2/r
Kg*m/s^2

7. capacitors in parallel
The liquid itself not the object
Ceq=C1+C2+C3 Veq=V1=V2=V3
Force a molecule of liquid feels toward molecules of some other substance
Yield strength

8. what creates a magnetic field
Solid to gas
373K 100
Moving charge
Side opposite From which light originates

9. light bends toward normal when
Sin=1/2 cos=v3/2
N2>n1
When ?=90 b/c sin90=1
E*r

10. 180
Difference between the mass of nucleus and the sum of nucleons
Conductor
Sin=0 cos=-1
Number of protons in nucleus

11. magnetic field of solenoid
Cohesion
Vsin?
B=
?x=1/2(v+vo)t

12. relationship between linear thermal expansion and volumetric thermal expansion
3a=Beta
???
Will never decrease capacitance
Bigger and beyond original object

13. frequency in string
V^2=vo^2+2a?x ?x=1/2(vo+v)t
F=nv/2L
F=- F
U=q?v

14. for object in SHM E=
Difference between the absolute and atm pressure Pg=P- Patm
C=Q/V
K+U=constant
Req=R1+R2+R3 Veq=V1+V2+V3

15. specific gravity greater than one
Substance is more dense then water
More flow less resistance
Slower light will travel
F=qvBetasin?

16. to find acceleration due to gravity
Surface
Derive universal gravitation equation
Virtual upright
Radiation

17. focal length
Negative
Vcos?
1/f=1/o+ 1/i
Irms=Imax/v2

18. light bends away from normal when
Y=(F/A)/(?L/L) stress over strain
Virtual upright
Fs=
N1>n2

19. image created when converging (concave) mirror when object is placed beyond focal point
U=1/2QV=1/2CV^2=1/2Q^2/C
Resistor
P=i^2r
Real inverted image

20. photoelectric effect
373K 100
Incident light is used to free electrons from a metal
Fk=
A Calorie is a nutritional term equal to 1000 calories

21. splitting of white light in a prim is an example of...
Beta=10Log(I/Io)
Dispersion
Solid to gas
Convection

22. horizontal velocity of projectile
T=rF where F is proportional to mass and r is distance from pivot
Conduction
Vcos?
?=2L/n

23. what would a specific gravity of 1 indicate
100% of the object will be submerged but will not sink
Centrioles
E=V/d
Perpendicular to each other

24. relate focal length and radius of curvature(r)
Sin=0 cos=1
Minimum frequency of light that will cause emission of an electron
F=r/2
?=2L/n

25. kirchhoff's rule -- travel from negative to positive
E=???=hc/?
Emf is positive
F=ma
When ?=90 b/c sin90=1

26. when spring is at rest
Sin=0 cos=1
Fnet=0 thus Fg=Fs mg=kx
Photon energy must be greater than work function of the material
As speed of fluid increases pressure and potential energy decrease

27. solves for power lost during transmission (one way)
N2>n1
Emf is negative
P=i^2r
No net force acting on it

28. Capacitors in series
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
Body in motion remains in motion unless net force acts upon it
Vo^2+2a(?x)
W=mg=?Vg

29. charge on the plates of a capacitor
F/A
Farad 1 F= 1 c/v
Dispersion
Q=CV

30. charge of beta particles
N is proportional to 1/?
F=c/?
Negative
Q=mL

31. relate charge and current
Electric fields of all the light waves are oriented in the same direction
None
The shortest wavelength
Coulomb=amphere*sec

32. fission
Splitting of atomic nuclei
F=- kx
Higher temperature increases resistance
Fusion

33. energy of moving proton
U=QV
Virtual upright
Inverted image
1/2mv^2

34. Newtons 2nd law of motion
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
?=vk/m=2p??
C=eoKA/D
F=ma

35. increase in velocity of a fluid is associated with
Constant for closed system independent of changes in area
E=neE n is excess charge
Decrease in pressure that fluid exerts on the walls of the container
Pressure to move - voltage when no charge is moving between 2 terminals

36. material with low resistance
Real image
Conductor
Convection
N=c/v

37. electric work
F=1/2(r)
Cohesion
U=q?v
Hydrostatics

38. period of spring
Sin=1/2 cos=v3/2
0K -273
Virtual upright
2pvm/k

39. beat frequencies for two frequencies differing by 4 Hz
4 Hz
Kg*m/s^2
Proton or neutron
Convection

40. closed pipe wavelength
Internal resistance is zero voltage=emf
?=4L/n
Mass number
Voltage

41. tone with shortest period has
Radiation
F=qvBetasin?
P=i^2R=V^2/R=IV
The shortest wavelength

42. all harmonics have the same
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
Sin=0 cos=-1
Wave speed
Vbulk modulus

43. ideal ammeter
F=c/?
Zero resistance
More flow less resistance
Increases

44. fungal cells unlike animals cells do not contain
Solute whose solution is conductive
I=P/A
Centrioles
Perpendicular to each other

45. (+) magnification signifies
Approx .7
Upright image
Angle of incidence=angle of reflection
Force a molecule of liquid feels toward the other molecules of the liquid

46. cohesion
Force a molecule of liquid feels toward the other molecules of the liquid
Conductor
Sin=v3/2 cos=1/2
Is equal to gravitational force

47. when unlike charges move away from each other - U of the system
E=Pt
F=r/2
Ceq=C1+C2+C3 Veq=V1=V2=V3
Increases

48. light ray that strikes a surface
It is halved
MRT
Incident ray
?=2L/n

49. threshold frequency (photoelectric effect)
C=e(A/d)
Minimum frequency of light that will cause emission of an electron
The liquid itself not the object
Holds whenever we have a change in energy ?E=?KE+?PE=0

50. parabolic mirror: image at focal point
2pvm/k
Y=(F/A)/(?L/L) stress over strain
No image is formed
F=mv^2/r