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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. charge of beta particles
The shortest wavelength
Difference between the mass of nucleus and the sum of nucleons
Force a molecule of liquid feels toward molecules of some other substance
Negative

2. open pipe frequency
F=ma
F=nv/2L
V=kq/r
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)

3. increasing emf has What effect on ?G
Q=mc?t
Force a molecule of liquid feels toward molecules of some other substance
Makes ?G more negative thus more spontaneous
Degree=p/180 radian

4. buoyant force is due to...
The liquid itself not the object
P=1/f
Radiation
F=nv/2L

5. equation for capacitance with dielectric
Zero resistance
C=eoKA/D
Converted to extra kinetic energy of the emitted electron
Image is always upright virtual and smaller

6. units for viscosity
2pr
Ampere (1C/s)
Energy gained by particle with charge of e when moved through one volt
N*s/m^2

7. kirchhoff's rule -- travel from negative to positive
Pascal (Pa) N/m^2
Emf is positive
Degree=p/180 radian
Internal resistance is zero voltage=emf

8. units for power
W'=?E=?KE+?U
Makes ?G more negative thus more spontaneous
WATTS
Real inverted image

9. relationship between linear thermal expansion and volumetric thermal expansion
3a=Beta
Insulator
Voltage
No image is formed

10. calculate lens power
P=1/f
Difference between the absolute and atm pressure Pg=P- Patm
V^2=vo^2+2a?x ?x=1/2(vo+v)t
Spreading out of light as it passes through a narrow opening

11. closed pipe wavelength
?=4L/n
New/old
?=2L/n
Emf is positive

12. location of minima in diffraction pattern
A sin?=n?
Cohesion
V=kQ/r
Real inverted image

13. units for capacitance
Farad 1 F= 1 c/v
?L=aL?T
More flow less resistance
Increase length increase resistance

14. in calculating torque - which direction is + and which is
Irms=Imax/v2
Vbulk modulus
Counterclockwise is + clockwise is -
Buoyant force equals blocks weight

15. charge on the plates of a capacitor
Sin=1 cos=0
C=e(A/d)
Q=CV
?=2L/n

16. boiling point of H2O in K and C
Yield strength
MRT
373K 100
Slower light will travel

17. energy of photon
Nsin?incident=nsin?refraction
E=???=hc/?
Bigger and beyond original object
Force and acceleration

18. force experienced by moving charge traveling parallel or antiparallel to magnetic field
W'=?E=?KE+?U
None
Slower light will travel
F=xk=mg

19. fission
Splitting of atomic nuclei
Frequency
Approx .7
Solid to gas

20. type of heat transfer involving direct transfer of energy from molecule to molecule through molecular collisions
Conduction
Sin=v3/2 cos=1/2
3a=Beta
Dispersion

21. Gauss's Law
J=Force*Time=mv - mvo=?p
Spring constant
F=q/e0
Gas to solid

22. ideal ammeter
?x=1/2(v+vo)t
Resistor
Zero resistance
Slower light will travel

23. light bends toward normal when
N2>n1
2pvL/g
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
W=qv

24. capacitance of simple parallel plate (not according to Ohms)
Vsin?
C=e(A/d)
373K 100
E=Pt

25. total energy of spring system
EV
E=neE n is excess charge
More rigid material
E=1/2k(A^2)

26. threshold frequency (photoelectric effect)
The liquid itself not the object
Minimum frequency of light that will cause emission of an electron
Nsin?incident=nsin?refraction
Amount of energy required for phase change from solid to liquid

27. relate charge and current
Coulomb=amphere*sec
K+U=constant
A sin?=n?
N*s/m^2

28. continuity equation*
Mass
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
Holds whenever we have a change in energy ?E=?KE+?PE=0
1/f=1/o+ 1/i

29. momentum
T=rF where F is proportional to mass and r is distance from pivot
Emf is positive
P=m?v
E=neE n is excess charge

30. force due to electric field on single charge
Angle of incidence=angle of reflection
E=neE n is excess charge
V=IR
Beta=

31. find factor by which something has been changed
2pvm/k
R=pL/A
New/old
The liquid itself not the object

32. 'real' side of a lens
Current*voltage
F=Gm1m2/r^2
Side opposite From which light originates
Splitting of atomic nuclei

33. density of water
Yield strength
1000 kg/m^3 or 1 g/cm^3
Holds whenever we have a change in energy ?E=?KE+?PE=0
U=QV

34. under constant acceleration V(average)=
M1v1=m2v2
None
N*s/m^2
(Vo+v)/2

35. What is heat of fusion
Vrms=Vmax/v2
Amount of energy required for phase change from solid to liquid
(mass defect)(speed of light)^2
B=(F/A)/(?V/V)

36. image created by converging (concave) mirror when object is placed inside focal point
???
Low voltage to high voltage
Virtual upright
2pr

37. find energy in circuit
E=neE n is excess charge
U=1/2QV=1/2CV^2=1/2Q^2/C
F=xk=mg
E=Pt

38. under content acceleration v^2=
Sin=v2/2 cos=v2/2
Gamma decay
Vo^2+2a(?x)
Photon energy must be greater than work function of the material

39. What does atoms atomic weight represent
Difference between the absolute and atm pressure Pg=P- Patm
M1v1=m2v2
Weighted average of the masses of the element
C=Q/V

40. magnification=
A sin?=n?
image/object
Neutron is converted into a proton and an electron is emitted
Vcos?

41. density with units
Upright image
?=m/v kg/m^3 g/ml g/cm^3
Side opposite From which light originates
Neutron is converted into a proton and an electron is emitted

42. conservation of energy law
?=2L/n
Electric fields of all the light waves are oriented in the same direction
Sin=1 cos=0
Holds whenever we have a change in energy ?E=?KE+?PE=0

43. equation relating heat gained and temperature change
Rate of doing work
Intensity
Q=mc?t
Charge/area

44. amplitude of spring is proportional to...
As speed of fluid increases pressure and potential energy decrease
Force and acceleration
The liquid itself not the object
Sin=0 cos=1

45. viscosity
Incident ray
Frequency
Fluid resistance to flow
Virtual upright

46. formula for solution which is diluted related to initial concentration
Splitting of atomic nuclei
Vcos?
M1v1=m2v2
Zero resistance

47. resistance in series
Pascal (Pa) N/m^2
Slower light will travel
Req=R1+R2+R3 Veq=V1+V2+V3
Rate of doing work

48. z in isotopic notation
Angle of incidence=angle of reflection
Sin=1/2 cos=v3/2
F=nv/2L
Number of protons

49. image created when converging (concave) mirror when object is placed beyond focal point
The shortest wavelength
Real inverted image
P=m?v
P=IA

50. negative charge moves spontaneously from
Photon energy must be greater than work function of the material
Low voltage to high voltage
Diopters
A sin?=n?