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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. force experienced by moving charge traveling parallel or antiparallel to magnetic field
The liquid itself not the object
Derive universal gravitation equation
None
Decrease in pressure that fluid exerts on the walls of the container

2. magnetic field force on current carrying wire
Vo^2+2a(?x)
Frequency
F=I(L*B)
Spring constant

3. relate charge and current
1/f=1/o+ 1/i
E=kQ/r^2
Coulomb=amphere*sec
V^2=vo^2+2a?x ?x=1/2(vo+v)t

4. electrolyte
Real image
Solute whose solution is conductive
Makes ?G more negative thus more spontaneous
Farad 1 F= 1 c/v

5. momentum
(Vo+v)/2
N is proportional to 1/?
P=m?v
V=?A

6. closed pipe wavelength
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
Vbulk modulus
?=4L/n
Spreading out of light as it passes through a narrow opening

7. magnetic field is created by loop wire - What is magnetic field at center of loop
Photon energy must be greater than work function of the material
V^2=vo^2+2a?x ?x=1/2(vo+v)t
Beta=
Ampere (1C/s)

8. shear
Force applied parallel to objects surface
N=c/v
F=Gm1m2/r^2
Difference between the absolute and atm pressure Pg=P- Patm

9. total horizontal distance traveled by projectile
Virtual upright
Degree=p/180 radian
X=(initial horizontal v)(time in air)
20 Hz to 20 -000 Hz

10. unit for energy beside J
Angle of incidence=angle of reflection
EV
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
Virtual

11. -Beta- decay
Bigger and beyond original object
Neutron is converted into a proton and an electron is emitted
Yield strength
Farad 1 F= 1 c/v

12. what would a specific gravity of 1 indicate
F/A
Cohesion
100% of the object will be submerged but will not sink
Derive universal gravitation equation

13. under content acceleration v^2=
Vo^2+2a(?x)
Q=mc?t
Bigger and beyond original object
273K 0

14. boiling point of H2O in K and C
Energy required to free electron from given metal
Solute whose solution is conductive
It jumps to higher energy level
373K 100

15. torque formula
T=rFsin?
?=2L/n
Dispersion
Fnet=0 thus Fg=Fs mg=kx

16. when an electron absorbs a photon
Energy of electrons
U=1/2QV=1/2CV^2=1/2Q^2/C
Increase length increase resistance
It jumps to higher energy level

17. beat frequencies for two frequencies differing by 4 Hz
More malleable material
4 Hz
Zero resistance
Splitting of atomic nuclei

18. formula for impulse (J)
Current*voltage
Frequency
J=Force*Time=mv - mvo=?p
Constant for closed system independent of changes in area

19. snell's law derivative
N is proportional to 1/?
Farad 1 F= 1 c/v
P=i^2R=V^2/R=IV
V/??

20. material with very high resistance
Charge/length
WATTS
Light emitted due to heat
Insulator

21. work as it relates to constant force
More flow less resistance
Gamma decay
W=Fdcos?
Sin=v2/2 cos=v2/2

22. focal length
Hydrostatics
Cohesion
Negative
1/f=1/o+ 1/i

23. angular frequency of spring ?
Current*voltage
?=vk/m=2p??
Cohesion
The shortest wavelength

24. material with low resistance
Will never decrease capacitance
Neutron is converted into a proton and an electron is emitted
Derive universal gravitation equation
Conductor

25. total energy of spring system
It jumps to higher energy level
E=1/2k(A^2)
None
Inverted image

26. electric field equation
N*s/m^2
Q=mc?t
E=kQ/r^2
F=ma

27. process of combing smaller nuclei to create larger nuclei
Voltage
F=- kx
U=q?v
Fusion

28. magnetic field of solenoid
B=
Vrms=Vmax/v2
Sin=0 cos=1
Fnet=0 thus Fg=Fs mg=kx

29. object placed inside focal point in converging lens create What type of image
A sin?=n?
Incident light is used to free electrons from a metal
Substance is more dense then water
Virtual upright

30. difference between Calorie and calorie
Vbulk modulus
Solute whose solution is conductive
A Calorie is a nutritional term equal to 1000 calories
Splitting of atomic nuclei

31. wavelength in string
Sin=v2/2 cos=v2/2
A Calorie is a nutritional term equal to 1000 calories
?=2L/n
Energy of electrons

32. (-) magnification signifies
?x=1/2(v+vo)t
Substance is less dense then water
Increase length increase resistance
Inverted image

33. find voltage (original)
P=m?v
V=kq/r
2pvL/g
Farad 1 F= 1 c/v

34. equation for capacitance with dielectric
C=eoKA/D
Approx .7
Low voltage to high voltage
Vsin?

35. all harmonics have the same
Surface
Pressure to move - voltage when no charge is moving between 2 terminals
Wave speed
Is equal to gravitational force

36. v2/2
E=kQ/r^2
Approx .7
Holds whenever we have a change in energy ?E=?KE+?PE=0
No image is formed

37. As current flows through a resistor
?=4L/n
100% of the object will be submerged but will not sink
Charge remains constant
Spreading out of light as it passes through a narrow opening

38. unit of current
New/old
Intensity
Force applied parallel to objects surface
Ampere (1C/s)

39. larger the index of refraction..
2pr
E=???=hc/?
?V=BetaV?T
Slower light will travel

40. The bigger the cross - section of a resistor..
More flow less resistance
Derive universal gravitation equation
Gamma decay
Negative

41. bulk modulus
B=(F/A)/(?V/V)
F=mv^2/r
Counterclockwise is + clockwise is -
Light emitted due to heat

42. if cell is not driving current
V=IR
Internal resistance is zero voltage=emf
U=(1/2)kx^2
No net force acting on it

43. sublimation
373K 100
Solid to gas
Higher temperature increases resistance
Internal resistance is zero voltage=emf

44. units for power of a lens
Converted to extra kinetic energy of the emitted electron
Diopters
Fk=
WATTS

45. current of AC
Q=mL
Irms=Imax/v2
Longitudinal
Constant for closed system independent of changes in area

46. youngs modulus
Y=(F/A)/(?L/L) stress over strain
Cohesion
N*s/m^2
Substance is more dense then water

47. equation for static friction
Fs=
No net force acting on it
W=Fdcos?
Farad 1 F= 1 c/v

48. Hooke's Law
Degree=p/180 radian
Energy gained by particle with charge of e when moved through one volt
F=- kx
R=pL/A

49. freezing point of H2O in K and C
Bigger and beyond original object
273K 0
Gamma decay
F=ma

50. work as product of pressure and volume change
Incident ray
Sin=v3/2 cos=1/2
F1/A1=F2/A2
WATTS