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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. sound level
Sin=v3/2 cos=1/2
P=1/f
Beta=10Log(I/Io)
Pressure to move - voltage when no charge is moving between 2 terminals

2. index of refraction (n) equation
N=c/v
Real image
K+U=constant
B=

3. shear
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
?L=aL?T
Force applied parallel to objects surface
More malleable material

4. Newtons 3rd law of motion
Bigger and beyond original object
Points away from + and toward -
F=- F
I=P/A

5. buoyant force is due to...
The liquid itself not the object
E=kQ/r^2
Light emitted due to heat
??=nv/4L

6. wave velocity=
Sin=v2/2 cos=v2/2
Angle of incidence=angle of reflection
V=ED
???

7. speed of sound in proportional to...
I=?q/?t
Vbulk modulus
F=qvBetasin?
Body in motion remains in motion unless net force acts upon it

8. formula for solution which is diluted related to initial concentration
Sin=1 cos=0
Side opposite From which light originates
Beta=
M1v1=m2v2

9. units for capacitance
Real inverted image
Incident light is used to free electrons from a metal
Farad 1 F= 1 c/v
Ceq=C1+C2+C3 Veq=V1=V2=V3

10. 30
(1/2)?v^2
Light emitted due to heat
Sin=1/2 cos=v3/2
(Vo+v)/2

11. torque formula
T=rFsin?
Energy required to free electron from given metal
Virtual upright
I=P/A

12. voltage of AC
Ampere (1C/s)
Vrms=Vmax/v2
Q=CV
1000 kg/m^3 or 1 g/cm^3

13. Log(1000)=
3
Degree=p/180 radian
F=mv^2/r
273K 0

14. in calculating torque - which direction is + and which is
C=Q/V
Counterclockwise is + clockwise is -
E=1/2k(A^2)
3

15. Hooke's Law
T=1/f
F=- kx
Difference between the mass of nucleus and the sum of nucleons
Virtual

16. splitting of white light in a prim is an example of...
Dispersion
Solute whose solution is conductive
W=mg=?Vg
Pressure to move - voltage when no charge is moving between 2 terminals

17. under content acceleration v^2=
E=1/2k(A^2)
Resistor
Vo^2+2a(?x)
E*r

18. energy of moving proton
1/2mv^2
Vo+at
EV
F=mv^2/r

19. unit for energy beside J
Nsin?incident=nsin?refraction
EV
Fluid resistance to flow
Longitudinal

20. focal for spherical mirrors
F=Gm1m2/r^2
Virtual upright
0K -273
F=1/2(r)

21. light ray that strikes a surface
The shortest wavelength
Virtual upright smaller
Incident ray
Increase length increase resistance

22. units for viscosity
T=rFsin?
WATTS
N*s/m^2
Q=CV

23. units for power
F=ma
W=mg=?Vg
WATTS
Pascal (Pa) N/m^2

24. what creates a magnetic field
Moving charge
Sin=0 cos=-1
Derive universal gravitation equation
Ceq=C1+C2+C3 Veq=V1=V2=V3

25. work done by non conservative force

26. What is displacement equation
P=IA
?x=1/2(v+vo)t
T=rFsin?
Zero resistance

27. beat frequencies for two frequencies differing by 4 Hz
V=???
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
4 Hz
When velocity of the fluid exceeds critical velocity

28. electric field equation
Pascal (Pa) N/m^2
Upright image
Wave speed
E=kQ/r^2

29. circumference of a circle
2pr
Light travels from high n to lower n with an angle of incidence greater than the critical angle
N2>n1
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3

30. energy of a photon is dependent on...
P=i^2R=V^2/R=IV
Frequency
Mass
Number of protons

31. relate focal length and radius of curvature(r)
F=r/2
?L=aL?T
F=q/e0
Number of protons in nucleus

32. equation for static friction
?=4L/n
Fs=
Sin=1 cos=0
W=Fdcos?

33. Log(100)=
Light emitted due to heat
Degree=p/180 radian
2
Fluid resistance to flow

34. excess energy of a photon is...
Converted to extra kinetic energy of the emitted electron
Solute whose solution is conductive
E=???=hc/?
W=mg=?Vg

35. Newtons 1st law of motion
Beta=10Log(I/Io)
Body in motion remains in motion unless net force acts upon it
W=Fdcos?
Vcos?

36. kirchhoff's rule -- travel from negative to positive
Intensity
Resistor
N2>n1
Emf is positive

37. light bends away from normal when
700nm -400nm
N1>n2
N=c/v
Solid to gas

38. 45
Voltage
Sin=1/2 cos=v3/2
K+U=constant
Sin=v2/2 cos=v2/2

39. speed of the spring
Sin=1 cos=0
None
When ?=90 b/c sin90=1
V=?A

40. frequency of spring is proportional to...
Charge/length
Spring constant
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
F=nv/2L

41. larger the index of refraction..
T=1/f
Slower light will travel
Amount of energy required for phase change from solid to liquid
Emf is negative

42. mirror image is on same side as object
Minimum frequency of light that will cause emission of an electron
Slower light will travel
Virtual upright
Real image

43. when unlike charges move away from each other - U of the system
W=Fdcos?
Increases
Angle of incidence=angle of reflection
None

44. s
Charge/area
More malleable material
I=?q/?t
Virtual upright

45. work as it relates to constant force
Minimum frequency of light that will cause emission of an electron
A sin?=n?
Increases
W=Fdcos?

46. under what conditions will light undergo total internal reflection
Coulomb=amphere*sec
Vbulk modulus
Light travels from high n to lower n with an angle of incidence greater than the critical angle
F/A

47. for object in SHM E=
Force and acceleration
F=mv^2/r
K+U=constant
Vsin?

48. parabolic mirror: object in front of focal point
T=rFsin?
Charge/area
Virtual upright
No net force acting on it

49. equation for kinetic friction
Fs=
It is halved
???
Fk=

50. sound waves are what kind of waves
2pvm/k
Longitudinal
Is equal to gravitational force
4 Hz