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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. relationship between linear thermal expansion and volumetric thermal expansion
3a=Beta
Req=R1+R2+R3 Veq=V1+V2+V3
?L=aL?T
Increase length increase resistance

2. wave velocity=
C=e(A/d)
Beta=
???
Body in motion remains in motion unless net force acts upon it

3. type of image ALWAYS created by diverging (convex) mirror
Virtual upright smaller
Q=mL
C=Q/V
Virtual upright

4. magnetic field force on current carrying wire
273K 0
F=I(L*B)
?x=1/2(v+vo)t
C=e(A/d)

5. degrees to radians
V=kQ/r
Degree=p/180 radian
Fusion
Virtual upright smaller

6. circumference of a circle
2pr
B=(F/A)/(?V/V)
100% of the object will be submerged but will not sink
It is halved

7. small moduli value
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
Light travels from high n to lower n with an angle of incidence greater than the critical angle
More malleable material
Neutron is converted into a proton and an electron is emitted

8. current of AC
??=nv/4L
Virtual upright smaller
N*s/m^2
Irms=Imax/v2

9. a in isotopic notation
3
None
F=nv/2L
Mass number

10. amplitude of spring is proportional to...
Force and acceleration
C=e(A/d)
None
None

11. calculate binding energy
Difference between the mass of nucleus and the sum of nucleons
Real inverted
image/object
(mass defect)(speed of light)^2

12. ideal ammeter
Constant for closed system independent of changes in area
Zero resistance
F=q/e0
Weighted average of the masses of the element

13. Capacitors in series
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
Sin=v2/2 cos=v2/2
C=e(A/d)
C=Q/V

14. s
A Calorie is a nutritional term equal to 1000 calories
Req=R1+R2+R3 Veq=V1+V2+V3
Degree=p/180 radian
Charge/area

15. temperature and resistors
F=nv/2L
Higher temperature increases resistance
(mass defect)(speed of light)^2
Mass

16. snell's law derivative
N is proportional to 1/?
F/A
0K -273
Spreading out of light as it passes through a narrow opening

17. large moduli value
Photon energy must be greater than work function of the material
I=P/A
2pvL/g
More rigid material

18. energy of a photon is dependent on...
W=mg=?Vg
Frequency
C=eoKA/D
Moving charge

19. units for capacitance
B=(F/A)/(?V/V)
Body in motion remains in motion unless net force acts upon it
Farad 1 F= 1 c/v
Virtual upright smaller

20. when unlike charges move away from each other - U of the system
Charge/area
Centrioles
Increases
Energy gained by particle with charge of e when moved through one volt

21. specific gravity greater than one
Charge remains constant
P=m?v
Substance is more dense then water
P=IA

22. in calculating torque - which direction is + and which is
Counterclockwise is + clockwise is -
Internal resistance is zero voltage=emf
Virtual upright
(Vo+v)/2

23. atomic mass number represents
Protons+neutrons
Resistor
P=i^2R=V^2/R=IV
Decrease in pressure that fluid exerts on the walls of the container

24. horizontal velocity of projectile
3
F=- kx
F1/A1=F2/A2
Vcos?

25. light bends away from normal when
Coulomb=amphere*sec
Real image
N1>n2
Real inverted

26. Log(1000)=
F=qvBetasin?
Charge/length
3
J=Force*Time=mv - mvo=?p

27. light ray that strikes a surface
Charge/length
(mass defect)(speed of light)^2
Incident ray
N is proportional to 1/?

28. center of curvature is...
image/object
2 times the focal distance
Y=(F/A)/(?L/L) stress over strain
Emf is negative

29. length of resistor
I=?q/?t
T=rFsin?
Increase length increase resistance
Electric fields of all the light waves are oriented in the same direction

30. study of fluids at rest
Force a molecule of liquid feels toward molecules of some other substance
U=1/2QV=1/2CV^2=1/2Q^2/C
Hydrostatics
image/object

31. photoelectric effect
Makes ?G more negative thus more spontaneous
Incident light is used to free electrons from a metal
Points away from + and toward -
Energy gained by particle with charge of e when moved through one volt

32. osmotic pressure formula
F=qvBetasin?
Vo+at
MRT
Decrease in pressure that fluid exerts on the walls of the container

33. Bernoulli's equation
Fusion
More rigid material
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
Counterclockwise is + clockwise is -

34. capacitance equation in circuit
C=Q/V
Mass
Charge remains constant
Substance is less dense then water

35. diffraction
B=(F/A)/(?V/V)
Spreading out of light as it passes through a narrow opening
2 times the focal distance
??=nv/4L

36. The bigger the cross - section of a resistor..
More flow less resistance
Vo+at
Q=mc?t
F=ma

37. under what conditions will light undergo total internal reflection
Ceq=C1+C2+C3 Veq=V1=V2=V3
3a=Beta
C=e(A/d)
Light travels from high n to lower n with an angle of incidence greater than the critical angle

38. when an electron absorbs a photon
V=ED
W=qv
It jumps to higher energy level
Neutron is converted into a proton and an electron is emitted

39. voltage of AC
B=
Vrms=Vmax/v2
Side opposite From which light originates
A Calorie is a nutritional term equal to 1000 calories

40. plane mirrors create What type of image
Kg*m/s^2
Virtual upright
Sin=0 cos=-1
Virtual

41. focal length
F1/A1=F2/A2
Req=R1+R2+R3 Veq=V1+V2+V3
1/f=1/o+ 1/i
Neutron is converted into a proton and an electron is emitted

42. In what position does spring has its greatest speed
Equilibrium position
3a=Beta
F=c/?
Ampere (1C/s)

43. sound waves are what kind of waves
Fnet=0 thus Fg=Fs mg=kx
Longitudinal
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
Light emitted due to heat

44. youngs modulus
Y=(F/A)/(?L/L) stress over strain
F=Gm1m2/r^2
Real inverted
EV

45. point of shape change beyond which a material can go back to normal
Emf is positive
Yield strength
Hydrostatics
20 Hz to 20 -000 Hz

46. density with units
F=nv/2L
No net force acting on it
?=m/v kg/m^3 g/ml g/cm^3
Req=R1+R2+R3 Veq=V1+V2+V3

47. find voltage (original)
Light travels from high n to lower n with an angle of incidence greater than the critical angle
Energy of electrons
?=2L/n
V=kq/r

48. As current flows through a resistor
Substance is more dense then water
F1/A1=F2/A2
Vo^2+2a(?x)
Charge remains constant

49. open pipe wavelength
V/??
E*r
?=2L/n
U=1/2QV=1/2CV^2=1/2Q^2/C

50. What is an electron volt (eV)
Energy gained by particle with charge of e when moved through one volt
Q=CV
Perpendicular to each other
Req=R1+R2+R3 Veq=V1+V2+V3