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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 gamma particles
None
Vot+1/2at^2=(V0+v/2)t
F=- kx
F=qvBetasin?

2. Log(100)=
Number of protons
Force a molecule of liquid feels toward molecules of some other substance
2
Minimum frequency of light that will cause emission of an electron

3. units for capacitance
Emf is negative
Farad 1 F= 1 c/v
F=E*A
The liquid itself not the object

4. magnitude of current
I=?q/?t
Nsin?incident=nsin?refraction
A Calorie is a nutritional term equal to 1000 calories
Inverted image

5. freezing point of H2O in K and C
Longitudinal
Degree=p/180 radian
273K 0
T=1/f

6. fungal cells unlike animals cells do not contain
Derive universal gravitation equation
None
Increase length increase resistance
Centrioles

7. power is defined as
P=m?v
Energy required to free electron from given metal
F=mv^2/r
Rate of doing work

8. electric field equation
Beta=
E=kQ/r^2
V=IR
Real inverted image

9. resistance equation
2pvm/k
W=qv
Real image
R=pL/A

10. current of AC
Irms=Imax/v2
(Vo+v)/2
Farad 1 F= 1 c/v
I=P/A

11. osmotic pressure formula
F=xk=mg
Fnet=0 thus Fg=Fs mg=kx
Emf is positive
MRT

12. study of fluids at rest
2pvL/g
Negative
Hydrostatics
F/A

13. formula for solution which is diluted related to initial concentration
M1v1=m2v2
Q=mc?t
None
N*s/m^2

14. 30
Angle of incidence=angle of reflection
Farad 1 F= 1 c/v
Work/time
Sin=1/2 cos=v3/2

15. density of water
1000 kg/m^3 or 1 g/cm^3
373K 100
It jumps to higher energy level
Light travels from high n to lower n with an angle of incidence greater than the critical angle

16. negative charge moves spontaneously from
?=vk/m=2p??
?V=BetaV?T
Fs=
Low voltage to high voltage

17. small moduli value
?x=1/2(v+vo)t
Vot+1/2at^2=(V0+v/2)t
Number of protons
More malleable material

18. buoyant force is due to...
2pvL/g
Number of protons
The liquid itself not the object
C=e(A/d)

19. electric field of parallel plate capacitor
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
None
Buoyant force equals blocks weight
E=V/d

20. stays constant when light travels through boundary
Virtual upright
Frequency
Makes ?G more negative thus more spontaneous
4 Hz

21. closed pipe frequency
F/A
??=nv/4L
Q=CV
Real image

22. find factor by which something has been changed
E=???=hc/?
E=1/2k(A^2)
Vsin?
New/old

23. sound waves are what kind of waves
Virtual upright
3
Vsin?
Longitudinal

24. What is displacement equation
?x=1/2(v+vo)t
Ampere (1C/s)
P=1/f
U=1/2QV=1/2CV^2=1/2Q^2/C

25. beat frequencies for two frequencies differing by 4 Hz
Neutron is converted into a proton and an electron is emitted
N=c/v
MRT
4 Hz

26. when an electron absorbs a photon
Internal resistance is zero voltage=emf
P=i^2R=V^2/R=IV
Minimum frequency of light that will cause emission of an electron
It jumps to higher energy level

27. youngs modulus
Y=(F/A)/(?L/L) stress over strain
F=q/e0
373K 100
Frequency

28. focal for spherical mirrors
F1/A1=F2/A2
Vrms=Vmax/v2
More malleable material
F=1/2(r)

29. period (T) and frequency (f) of a tone are related by
Kg*m/s^2
Substance is less dense then water
T=1/f
???

30. conservation of energy law
Holds whenever we have a change in energy ?E=?KE+?PE=0
3
700nm -400nm
F=Gm1m2/r^2

31. to find acceleration due to gravity
Radiation
Derive universal gravitation equation
R=pL/A
E=Pt

32. 90
Body in motion remains in motion unless net force acts upon it
Sin=1 cos=0
Incident ray
2pr

33. parabolic mirror: object in front of focal point
Virtual upright
Weighted average of the masses of the element
Light emitted due to heat
Resistor

34. all harmonics have the same
Mass number
?=vk/m=2p??
Makes ?G more negative thus more spontaneous
Wave speed

35. loudness of sound
Intensity
V=?A
Vbulk modulus
Solid to gas

36. relate focal length and radius of curvature(r)
Makes ?G more negative thus more spontaneous
Centrioles
?x=1/2(v+vo)t
F=r/2

37. in calculating torque - which direction is + and which is
F=r/2
N1>n2
Counterclockwise is + clockwise is -
3a=Beta

38. parabolic mirror: image at focal point
Real inverted
No image is formed
Light emitted due to heat
More malleable material

39. increasing emf has What effect on ?G
Coulomb=amphere*sec
Makes ?G more negative thus more spontaneous
Substance is more dense then water
F=I(L*B)

40. speed of sound in proportional to...
Vbulk modulus
3a=Beta
Gas to solid
?x=1/2(v+vo)t

41. intensity of sound
V=ED
Nsin?incident=nsin?refraction
Is equal to gravitational force
I=P/A

42. index of refraction (n) equation
F=- kx
N=c/v
Pascal (Pa) N/m^2
Req=R1+R2+R3 Veq=V1+V2+V3

43. units for power
WATTS
Negative
Force applied parallel to objects surface
(Vo+v)/2

44. a lightbulb in a circuit is a
When in parallel
Resistor
2pvm/k
Force and acceleration

45. ?
Gamma decay
Charge/length
N=c/v
Centrioles

46. (+) magnification signifies
E=???=hc/?
Upright image
New/old
N=c/v

47. snell's law derivative
Beta=
Virtual upright
N is proportional to 1/?
Image is always upright virtual and smaller

48. potential energy of spring
W=qv
It is halved
F=nv/2L
U=(1/2)kx^2

49. parabolic mirror: object between c and f - image is...
Sin=0 cos=1
Bigger and beyond original object
Zero resistance
P=i^2R=V^2/R=IV

50. determine spring constant
N=c/v
Converted to extra kinetic energy of the emitted electron
T=1/f
F=xk=mg