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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. adhesion
Work/time
Force a molecule of liquid feels toward molecules of some other substance
No image is formed
1/f=1/o+ 1/i

2. point of shape change beyond which a material can go back to normal
Virtual upright smaller
Yield strength
Q=mL
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2

3. parabolic mirror: image at focal point
2pr
No image is formed
Surface
Conductor

4. Log(100)=
Perpendicular to each other
2
Farad 1 F= 1 c/v
E=V/d

5. 45
?L=aL?T
Charge remains constant
Sin=v2/2 cos=v2/2
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3

6. 30
The liquid itself not the object
Splitting of atomic nuclei
Sin=1/2 cos=v3/2
?=2L/n

7. direction of electric field created by charge
W=qv
?x=1/2(v+vo)t
N is proportional to 1/?
Points away from + and toward -

8. equation relating heat gained and temperature change
3
Number of protons in nucleus
None
Q=mc?t

9. (+) magnification signifies
?L=aL?T
Upright image
E*r
Holds whenever we have a change in energy ?E=?KE+?PE=0

10. magnification=
image/object
Splitting of atomic nuclei
Ceq=C1+C2+C3 Veq=V1=V2=V3
Current*voltage

11. magnetic force
Virtual upright smaller
Vsin?
F=qvBetasin?
Emf is negative

12. power dissipated by resistor (3 ways)
Energy required to free electron from given metal
Fluid resistance to flow
P=m?v
P=i^2R=V^2/R=IV

13. resistance in series
Req=R1+R2+R3 Veq=V1+V2+V3
Work/time
Longitudinal
U=QV

14. circumference of a circle
Converted to extra kinetic energy of the emitted electron
When in parallel
V/??
2pr

15. gravitational force formula
Derive universal gravitation equation
F=Gm1m2/r^2
N1>n2
2pvm/k

16. electric field maximum of insulating sphere
Solute whose solution is conductive
More rigid material
Surface
Decrease in pressure that fluid exerts on the walls of the container

17. a lightbulb in a circuit is a
A sin?=n?
Resistor
?=2L/n
Insulator

18. stays constant when light travels through boundary
Current*voltage
When in parallel
Vrms=Vmax/v2
Frequency

19. charge of gamma particles
F=ma
Vsin?
None
Incident light is used to free electrons from a metal

20. when spring is at rest
A sin?=n?
Fnet=0 thus Fg=Fs mg=kx
Minimum frequency of light that will cause emission of an electron
EV

21. find energy in circuit
3
F1/A1=F2/A2
E=Pt
Difference between the mass of nucleus and the sum of nucleons

22. relate velocities and displacement 2 ways
Holds whenever we have a change in energy ?E=?KE+?PE=0
???
Vot+1/2at^2=(V0+v/2)t
V^2=vo^2+2a?x ?x=1/2(vo+v)t

23. polarized light
U=1/2QV=1/2CV^2=1/2Q^2/C
Degree=p/180 radian
Electric fields of all the light waves are oriented in the same direction
(1/2)?v^2

24. equation for capacitance with dielectric
X=(initial horizontal v)(time in air)
F=q/e0
Force a molecule of liquid feels toward molecules of some other substance
C=eoKA/D

25. electric field and magnetic field are...
Fluid resistance to flow
Proton or neutron
Perpendicular to each other
Light emitted due to heat

26. magnetic field is created by loop wire - What is magnetic field at center of loop
P=IV
Beta=
Vo+at
Is equal to gravitational force

27. Capacitors in series
N is proportional to 1/?
Ceq=C1+C2+C3 Veq=V1=V2=V3
Fusion
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3

28. fission
Splitting of atomic nuclei
Force applied parallel to objects surface
Vo+at
V=kQ/r

29. loudness of sound
N=c/v
Q=mc?t
Intensity
Solid to gas

30. only radioactive decay that conserves the nucleus charge
E=kQ/r^2
Sin=1 cos=0
Gamma decay
2

31. frequency of light given wavelength
F=c/?
K+U=constant
F=q/e0
100% of the object will be submerged but will not sink

32. light ray that strikes a surface
Higher temperature increases resistance
?=4L/n
W=mg=?Vg
Incident ray

33. process of combing smaller nuclei to create larger nuclei
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
Vo+at
Mass number
Fusion

34. volume thermal expansion of a solid
V=ED
Spring constant
?V=BetaV?T
Conduction

35. Hooke's Law
20 Hz to 20 -000 Hz
N*s/m^2
???
F=- kx

36. equation for static friction
Fs=
1000 kg/m^3 or 1 g/cm^3
V^2=vo^2+2a?x ?x=1/2(vo+v)t
More flow less resistance

37. reflection law
Angle of incidence=angle of reflection
R=pL/A
F=r/2
image/object

38. surface tension results from
Zero resistance
Cohesion
Conductor
Converted to extra kinetic energy of the emitted electron

39. relationship between linear thermal expansion and volumetric thermal expansion
E=Pt
EV
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
3a=Beta

40. all harmonics have the same
20 Hz to 20 -000 Hz
Wave speed
New/old
N is proportional to 1/?

41. speed of sound in proportional to...
Side opposite From which light originates
P=m?v
Vbulk modulus
V/??

42. under what conditions will light undergo total internal reflection
Spring constant
Beta=
Upright image
Light travels from high n to lower n with an angle of incidence greater than the critical angle

43. force experienced by moving charge traveling parallel or antiparallel to magnetic field
F=1/2(r)
?L=aL?T
None
Angle of incidence=angle of reflection

44. specific gravity is less than one
Side opposite From which light originates
?=2L/n
Neutron is converted into a proton and an electron is emitted
Substance is less dense then water

45. velocity for a wave
P=IA
Yield strength
V=???
Minimum frequency of light that will cause emission of an electron

46. excess energy of a photon is...
No image is formed
Gas to solid
Converted to extra kinetic energy of the emitted electron
E*r

47. small moduli value
Bigger and beyond original object
More malleable material
???
P=IV

48. specific gravity greater than one
Moving charge
Substance is more dense then water
Negative
It jumps to higher energy level

49. under constant acceleration V(average)=
Energy of electrons
N is proportional to 1/?
(Vo+v)/2
More flow less resistance

50. what would a specific gravity of 1 indicate
Force a molecule of liquid feels toward molecules of some other substance
100% of the object will be submerged but will not sink
U=1/2QV=1/2CV^2=1/2Q^2/C
Difference between the mass of nucleus and the sum of nucleons