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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. 90
Buoyant force equals blocks weight
Substance is less dense then water
Sin=1 cos=0
Mass

2. formula for solution which is diluted related to initial concentration
1/f=1/o+ 1/i
M1v1=m2v2
More rigid material
image/object

3. force experience by stationary particle in magnetic field
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
273K 0
None
Real inverted image

4. The bigger the cross - section of a resistor..
Centrioles
?V=BetaV?T
Solute whose solution is conductive
More flow less resistance

5. SI unit for pressure
E=V/d
Pascal (Pa) N/m^2
Virtual upright smaller
Frequency

6. snell's law derivative
E=Pt
N is proportional to 1/?
100% of the object will be submerged but will not sink
Pascal (Pa) N/m^2

7. weight
Nsin?incident=nsin?refraction
W=mg=?Vg
Ceq=C1+C2+C3 Veq=V1=V2=V3
Makes ?G more negative thus more spontaneous

8. light ray that strikes a surface
Vrms=Vmax/v2
Voltage
Incident ray
Rate of doing work

9. object placed beyond focal point in converging lens create What type of image
?=2L/n
Real inverted
Vsin?
273K 0

10. continuity equation*
Energy required to free electron from given metal
WATTS
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
Constant for closed system independent of changes in area

11. 45
Sin=v2/2 cos=v2/2
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
???
V=?A

12. total energy of spring system
F=I(L*B)
More malleable material
Image is always upright virtual and smaller
E=1/2k(A^2)

13. energy of a photon is dependent on...
Upright image
Increases
V=???
Frequency

14. power (in general)
Work/time
P=IV
Spring constant
Internal resistance is zero voltage=emf

15. find factor by which something has been changed
New/old
I=P/A
(1/2)?v^2
Sin=v2/2 cos=v2/2

16. angular frequency of spring ?
?=vk/m=2p??
Sin=0 cos=1
T=1/f
Force applied parallel to objects surface

17. frequency of light given wavelength
Beta=
Fusion
Vcos?
F=c/?

18. stays constant when light travels through boundary
Light emitted due to heat
F=nv/2L
New/old
Frequency

19. electrolyte
Proton or neutron
V=???
Force applied parallel to objects surface
Solute whose solution is conductive

20. Newtons 3rd law of motion
F=- F
V=IR
Mass
Sin=1 cos=0

21. volumetric rate of flow (property)
Vo^2+2a(?x)
Current*voltage
Constant for closed system independent of changes in area
?V=BetaV?T

22. When is voltage constant across capacitors
Counterclockwise is + clockwise is -
Buoyant force equals blocks weight
Force a molecule of liquid feels toward the other molecules of the liquid
When in parallel

23. formula for heat gained or lost during phase change
MRT
None
Converted to extra kinetic energy of the emitted electron
Q=mL

24. polarized light
Vbulk modulus
Farad 1 F= 1 c/v
Virtual upright smaller
Electric fields of all the light waves are oriented in the same direction

25. adhesion
Force a molecule of liquid feels toward molecules of some other substance
F=c/?
Converted to extra kinetic energy of the emitted electron
Vot+1/2at^2=(V0+v/2)t

26. splitting of white light in a prim is an example of...
Dispersion
Charge/area
Emf is negative
E*r

27. 'real' side of a lens
W=mg=?Vg
Vbulk modulus
2pvm/k
Side opposite From which light originates

28. cohesion
Number of protons in nucleus
Force a molecule of liquid feels toward the other molecules of the liquid
Holds whenever we have a change in energy ?E=?KE+?PE=0
Minimum frequency of light that will cause emission of an electron

29. focal length
Perpendicular to each other
New/old
Cohesion
1/f=1/o+ 1/i

30. relate charge and current
Decrease in pressure that fluid exerts on the walls of the container
U=(1/2)kx^2
Coulomb=amphere*sec
Number of protons in nucleus

31. ideal ammeter
Buoyant force equals blocks weight
W=qv
Intensity
Zero resistance

32. resistance equation
Longitudinal
Higher temperature increases resistance
R=pL/A
Sin=1 cos=0

33. vertical velocity of projectile
Decrease in pressure that fluid exerts on the walls of the container
V=???
Negative
Vsin?

34. determine spring constant
Mass number
Virtual upright
V=?A
F=xk=mg

35. When does turbulence in a fluid arise
Mass number
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
When velocity of the fluid exceeds critical velocity
Number of protons

36. What does atoms atomic weight represent
Counterclockwise is + clockwise is -
Conduction
Weighted average of the masses of the element
?=2L/n

37. volume thermal expansion of a solid
N*s/m^2
Constant for closed system independent of changes in area
N is proportional to 1/?
?V=BetaV?T

38. for object in SHM E=
F=- kx
F=c/?
Photon energy must be greater than work function of the material
K+U=constant

39. capacitance of simple parallel plate (not according to Ohms)
C=e(A/d)
Body in motion remains in motion unless net force acts upon it
T=1/f
N*s/m^2

40. absolute zero in K and C
0K -273
Substance is more dense then water
Spring constant
Gas to solid

41. under what conditions will light undergo total internal reflection
Light travels from high n to lower n with an angle of incidence greater than the critical angle
Diopters
Negative
Moving charge

42. resistance in parallel
Minimum frequency of light that will cause emission of an electron
Mass number
??=nv/4L
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3

43. lever arm is halved what happens to torque
Decrease in pressure that fluid exerts on the walls of the container
Force a molecule of liquid feels toward the other molecules of the liquid
It is halved
When velocity of the fluid exceeds critical velocity

44. difference between Calorie and calorie
Surface
Ceq=C1+C2+C3 Veq=V1=V2=V3
A Calorie is a nutritional term equal to 1000 calories
F=E*A

45. viscosity
?=4L/n
Fluid resistance to flow
X=(initial horizontal v)(time in air)
Perpendicular to each other

46. surface tension results from
B=
Insulator
Cohesion
??=nv/4L

47. magnitude of current
Conductor
I=?q/?t
Cohesion
Vrms=Vmax/v2

48. Ohm's Law
Ceq=C1+C2+C3 Veq=V1=V2=V3
V=IR
Q=mc?t
Beta=

49. location of minima in diffraction pattern
2
A sin?=n?
F=nv/2L
Side opposite From which light originates

50. (+) magnification signifies
More flow less resistance
New/old
Upright image
Radiation