Test your basic knowledge |

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. energy of a photon is dependent on...
?=vk/m=2p??
K+U=constant
Energy gained by particle with charge of e when moved through one volt
Frequency

2. sublimation
As speed of fluid increases pressure and potential energy decrease
Solid to gas
No image is formed
2pvm/k

3. When is torque maximum
When ?=90 b/c sin90=1
I=?q/?t
Frequency
F=Gm1m2/r^2

4. difference between Calorie and calorie
F=Gm1m2/r^2
A Calorie is a nutritional term equal to 1000 calories
Light emitted due to heat
Inverted image

5. electrical power
M1v1=m2v2
Low voltage to high voltage
Frequency
P=IV

6. volumetric rate of flow (property)
Constant for closed system independent of changes in area
F=1/2(r)
When velocity of the fluid exceeds critical velocity
20 Hz to 20 -000 Hz

7. frequency in string
F=nv/2L
As speed of fluid increases pressure and potential energy decrease
V=IR
?=m/v kg/m^3 g/ml g/cm^3

8. formula for heat gained or lost during phase change
P=m?v
F/A
Q=mL
W=qv

9. electric flux
P=1/f
F=E*A
Moving charge
MRT

10. find voltage (original)
The liquid itself not the object
V=kq/r
Spreading out of light as it passes through a narrow opening
700nm -400nm

11. focal length
U=q?v
Frequency
K+U=constant
1/f=1/o+ 1/i

12. atoms atomic number represents
Diopters
Number of protons in nucleus
3
Makes ?G more negative thus more spontaneous

13. image created by converging (concave) mirror when object is placed inside focal point
3
image/object
Virtual upright
Radiation

14. if cell is not driving current
Internal resistance is zero voltage=emf
Fnet=0 thus Fg=Fs mg=kx
Irms=Imax/v2
Light emitted due to heat

15. a in isotopic notation
Points away from + and toward -
Mass number
Ceq=C1+C2+C3 Veq=V1=V2=V3
Sin=0 cos=1

16. fungal cells unlike animals cells do not contain
Current*voltage
Derive universal gravitation equation
Centrioles
N is proportional to 1/?

17. What is heat of fusion
V=???
Amount of energy required for phase change from solid to liquid
?=4L/n
Points away from + and toward -

18. object placed beyond focal point in converging lens create What type of image
V=IR
Dispersion
It is halved
Real inverted

19. max frequency of X- ray depends ONLY on...
F=q/e0
Proton or neutron
2 times the focal distance
Energy of electrons

20. pressure
F/A
373K 100
(Vo+v)/2
Derive universal gravitation equation

21. boiling point of H2O in K and C
The shortest wavelength
373K 100
F=ma
F=c/?

22. magnetic field of solenoid
100% of the object will be submerged but will not sink
B=
?=4L/n
N=c/v

23. frequency of spring is proportional to...
Beta=
Spring constant
Light emitted due to heat
V=kQ/r

24. when spring is at rest
Fnet=0 thus Fg=Fs mg=kx
273K 0
New/old
Photon energy must be greater than work function of the material

25. Gauss's Law
Internal resistance is zero voltage=emf
Sin=0 cos=1
F=q/e0
F=E*A

26. voltage of AC
F=qvBetasin?
N=c/v
Vrms=Vmax/v2
F=1/2(r)

27. audible wave frequency
J=Force*Time=mv - mvo=?p
N is proportional to 1/?
Sin=0 cos=1
20 Hz to 20 -000 Hz

28. wavelength in string
Real inverted
C=e(A/d)
?=2L/n
It jumps to higher energy level

29. electric work
Energy of electrons
Virtual upright
U=q?v
E*r

30. atomic mass number represents
Light emitted due to heat
Protons+neutrons
Beta=
Mass

31. In what position does spring has its greatest speed
N=c/v
Pascal (Pa) N/m^2
Equilibrium position
?=2L/n

32. threshold frequency (photoelectric effect)
E=1/2k(A^2)
Energy required to free electron from given metal
F=mv^2/r
Minimum frequency of light that will cause emission of an electron

33. type of heat transfer involving the physical motion of heated material
Internal resistance is zero voltage=emf
C=e(A/d)
Convection
E=neE n is excess charge

34. 'real' side of a lens
No net force acting on it
I=?q/?t
Side opposite From which light originates
Charge remains constant

35. open pipe frequency
N1>n2
F=nv/2L
Insulator
F=- F

36. body in translational equilibrium
Fnet=0 thus Fg=Fs mg=kx
Vrms=Vmax/v2
Convection
No net force acting on it

37. power is defined as
Rate of doing work
U=QV
Pascal (Pa) N/m^2
F=- F

38. relationship between linear thermal expansion and volumetric thermal expansion
3a=Beta
Internal resistance is zero voltage=emf
X=(initial horizontal v)(time in air)
V=kQ/r

39. magnetic field force on current carrying wire
None
Inverted image
F=I(L*B)
B=

40. what creates a magnetic field
Moving charge
Voltage
?L=aL?T
E=kQ/r^2

41. suppose a block is floating in H2O - What does this mean
Buoyant force equals blocks weight
Solute whose solution is conductive
?=vk/m=2p??
T=rF where F is proportional to mass and r is distance from pivot

42. energy of moving proton
It jumps to higher energy level
Ampere (1C/s)
1/2mv^2
Perpendicular to each other

43. ? of sound wave=
Energy required to free electron from given metal
None
Internal resistance is zero voltage=emf
V/??

44. force experienced by moving charge traveling parallel or antiparallel to magnetic field
373K 100
None
M1v1=m2v2
More flow less resistance

45. sound waves are what kind of waves
F=xk=mg
P=1/f
Points away from + and toward -
Longitudinal

46. density with units
2 times the focal distance
?=m/v kg/m^3 g/ml g/cm^3
Gas to solid
More malleable material

47. magnetic field is created by loop wire - What is magnetic field at center of loop
Beta=
Approx .7
Conduction
When ?=90 b/c sin90=1

48. incandescence
The shortest wavelength
Light emitted due to heat
Y=(F/A)/(?L/L) stress over strain
700nm -400nm

49. location of minima in diffraction pattern
A sin?=n?
Ampere (1C/s)
I=?q/?t
Surface

50. closed pipe frequency
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
Difference between the mass of nucleus and the sum of nucleons
Charge/length
??=nv/4L