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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. calculate lens power
P=1/f
Charge/length
Sin=v2/2 cos=v2/2
Virtual upright

2. magnetic force
F=qvBetasin?
W=Fdcos?
N*s/m^2
Difference between the absolute and atm pressure Pg=P- Patm

3. atoms atomic number represents
Inverted image
Energy gained by particle with charge of e when moved through one volt
Fusion
Number of protons in nucleus

4. location of minima in diffraction pattern
V^2=vo^2+2a?x ?x=1/2(vo+v)t
New/old
A sin?=n?
?L=aL?T

5. units for capacitance
J=Force*Time=mv - mvo=?p
2pvL/g
Farad 1 F= 1 c/v
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3

6. magnetic field of solenoid
Will never decrease capacitance
Substance is less dense then water
Vcos?
B=

7. potential energy of spring
Irms=Imax/v2
U=(1/2)kx^2
(mass defect)(speed of light)^2
T=rFsin?

8. 60
Sin=v3/2 cos=1/2
V=kQ/r
Force a molecule of liquid feels toward the other molecules of the liquid
Resistor

9. under content acceleration v^2=
Is equal to gravitational force
E=V/d
Vo^2+2a(?x)
Charge/area

10. torque formula
T=rFsin?
Mass number
2pvL/g
Equilibrium position

11. increase in velocity of a fluid is associated with
Degree=p/180 radian
Req=R1+R2+R3 Veq=V1+V2+V3
Force a molecule of liquid feels toward the other molecules of the liquid
Decrease in pressure that fluid exerts on the walls of the container

12. kirchhoff's rule -- travel from positive to negative
Dispersion
Diopters
Emf is negative
Convection

13. boiling point of H2O in K and C
F=nv/2L
373K 100
?x=1/2(v+vo)t
F=E*A

14. conservation of energy law
Holds whenever we have a change in energy ?E=?KE+?PE=0
Bigger and beyond original object
Centrioles
Sin=0 cos=-1

15. -Beta- decay
No net force acting on it
Neutron is converted into a proton and an electron is emitted
??=nv/4L
2pvL/g

16. equation for static friction
Voltage
Fs=
A sin?=n?
E=V/d

17. energy of photon
Points away from + and toward -
Coulomb=amphere*sec
F/A
E=???=hc/?

18. when unlike charges move away from each other - U of the system
Slower light will travel
Side opposite From which light originates
Increases
Converted to extra kinetic energy of the emitted electron

19. Gauss's Law
Slower light will travel
Fs=
F=q/e0
E=Pt

20. dielectric material
2
Will never decrease capacitance
None
T=rF where F is proportional to mass and r is distance from pivot

21. atomic mass number represents
Radiation
Slower light will travel
Protons+neutrons
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)

22. 'real' side of a lens
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
U=QV
Side opposite From which light originates
MRT

23. splitting of white light in a prim is an example of...
W'=?E=?KE+?U
Energy of electrons
I=P/A
Dispersion

24. velocity for a wave
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
E=neE n is excess charge
V=???
P=m?v

25. equation relating heat gained and temperature change
Substance is less dense then water
Q=mc?t
A sin?=n?
Number of protons in nucleus

26. planet orbiting a star - centripetal force
Is equal to gravitational force
When in parallel
Real image
Hydrostatics

27. index of refraction (n) equation
J=Force*Time=mv - mvo=?p
N=c/v
Derive universal gravitation equation
Kg*m/s^2

28. Hooke's Law
Sin=1 cos=0
V=?A
F=- kx
Bigger and beyond original object

29. ? of sound wave=
Ceq=C1+C2+C3 Veq=V1=V2=V3
V/??
Real image
Force applied parallel to objects surface

30. frequency in string
E=Pt
X=(initial horizontal v)(time in air)
F=nv/2L
Ceq=C1+C2+C3 Veq=V1=V2=V3

31. light bends toward normal when
It jumps to higher energy level
New/old
F=- F
N2>n1

32. period of spring
When in parallel
Emf is positive
2pvm/k
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3

33. Capacitors in series
Increase length increase resistance
Mass
Moving charge
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3

34. light bends away from normal when
More rigid material
Force and acceleration
N1>n2
F=q/e0

35. charge of beta particles
Holds whenever we have a change in energy ?E=?KE+?PE=0
Negative
V=?A
V^2=vo^2+2a?x ?x=1/2(vo+v)t

36. work as product of pressure and volume change
F1/A1=F2/A2
Substance is more dense then water
Conductor
Spreading out of light as it passes through a narrow opening

37. tone with shortest period has
The shortest wavelength
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
2pr
V/??

38. max frequency of X- ray depends ONLY on...
Energy of electrons
F=- kx
Constant for closed system independent of changes in area
Converted to extra kinetic energy of the emitted electron

39. object placed beyond focal point in converging lens create What type of image
Real inverted
B=
20 Hz to 20 -000 Hz
When velocity of the fluid exceeds critical velocity

40. Newtons 2nd law of motion
F=ma
Approx .7
2 times the focal distance
More malleable material

41. buoyant force is due to...
As speed of fluid increases pressure and potential energy decrease
The liquid itself not the object
?x=1/2(v+vo)t
V=ED

42. kirchhoff's rule -- travel from negative to positive
T=rF where F is proportional to mass and r is distance from pivot
Work/time
Difference between the absolute and atm pressure Pg=P- Patm
Emf is positive

43. degrees to radians
Degree=p/180 radian
B=(F/A)/(?V/V)
U=QV
Bigger and beyond original object

44. total horizontal distance traveled by projectile
Substance is more dense then water
As speed of fluid increases pressure and potential energy decrease
X=(initial horizontal v)(time in air)
Farad 1 F= 1 c/v

45. amplitude of spring is proportional to...
F=xk=mg
Force and acceleration
No image is formed
Spring constant

46. all harmonics have the same
Wave speed
F=I(L*B)
U=q?v
Gamma decay

47. period of pendulum
When velocity of the fluid exceeds critical velocity
273K 0
2pvL/g
Irms=Imax/v2

48. bulk modulus
B=(F/A)/(?V/V)
As speed of fluid increases pressure and potential energy decrease
Cohesion
Mass

49. magnitude of current
Makes ?G more negative thus more spontaneous
(Vo+v)/2
Sin=1 cos=0
I=?q/?t

50. momentum
C=Q/V
A sin?=n?
P=IV
P=m?v