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Test your basic knowledge |
MCAT Physics Formulas
Start Test
Study First
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. a in isotopic notation
Vsin?
No net force acting on it
Ceq=C1+C2+C3 Veq=V1=V2=V3
Mass number
2. when unlike charges move away from each other - U of the system
Upright image
Increases
J=Force*Time=mv - mvo=?p
Force and acceleration
3. for photoelectric material to liberate an electron
F=ma
Body in motion remains in motion unless net force acts upon it
(Vo+v)/2
Photon energy must be greater than work function of the material
4. Newtons 3rd law of motion
Vot+1/2at^2=(V0+v/2)t
?=4L/n
F=I(L*B)
F=- F
5. across capacitor what remains constant
Points away from + and toward -
?=vk/m=2p??
Voltage
1/2mv^2
6. type of image ALWAYS created by diverging (convex) mirror
Virtual upright smaller
Ceq=C1+C2+C3 Veq=V1=V2=V3
Derive universal gravitation equation
P=1/f
7. gauge pressure in relation to the others
Difference between the absolute and atm pressure Pg=P- Patm
C=e(A/d)
No net force acting on it
Fluid resistance to flow
8. v2/2
Gamma decay
Slower light will travel
F=- kx
Approx .7
9. units for viscosity
Increase length increase resistance
N*s/m^2
E=1/2k(A^2)
Fs=
10. formula for heat gained or lost during phase change
Internal resistance is zero voltage=emf
Angle of incidence=angle of reflection
Force a molecule of liquid feels toward the other molecules of the liquid
Q=mL
11. ?
Negative
Charge/length
Sin=v2/2 cos=v2/2
3a=Beta
12. magnitude of magnetic field for current carrying wire
The liquid itself not the object
Increases
Beta=
Incident light is used to free electrons from a metal
13. electric field equation
Spreading out of light as it passes through a narrow opening
E=kQ/r^2
None
Internal resistance is zero voltage=emf
14. to find acceleration due to gravity
?=vk/m=2p??
Side opposite From which light originates
V=???
Derive universal gravitation equation
15. units for power of a lens
U=(1/2)kx^2
F=qvBetasin?
Protons+neutrons
Diopters
16. power dissipated by resistor (3 ways)
New/old
P=i^2R=V^2/R=IV
Fusion
Kg*m/s^2
17. electrical power
?=vk/m=2p??
Mass
P=IV
Increase length increase resistance
18. buoyant force is due to...
The liquid itself not the object
A Calorie is a nutritional term equal to 1000 calories
F1/A1=F2/A2
When velocity of the fluid exceeds critical velocity
19. shear
Force applied parallel to objects surface
Pascal (Pa) N/m^2
700nm -400nm
W'=?E=?KE+?U
20. mass defect
Decrease in pressure that fluid exerts on the walls of the container
Difference between the mass of nucleus and the sum of nucleons
1000 kg/m^3 or 1 g/cm^3
Weighted average of the masses of the element
21. specific gravity greater than one
Substance is more dense then water
700nm -400nm
Current*voltage
0K -273
22. kirchhoff's rule -- travel from positive to negative
Buoyant force equals blocks weight
Side opposite From which light originates
Emf is negative
None
23. absolute zero in K and C
0K -273
Diopters
V^2=vo^2+2a?x ?x=1/2(vo+v)t
Beta=
24. open pipe wavelength
Beta=
W=qv
?=2L/n
Solute whose solution is conductive
25. magnetic field force on current carrying wire
?=2L/n
F=I(L*B)
U=1/2QV=1/2CV^2=1/2Q^2/C
Radiation
26. circumference of a circle
2pr
Incident ray
?x=1/2(v+vo)t
Work/time
27. period of pendulum
2pvm/k
B=
2pvL/g
Coulomb=amphere*sec
28. what creates a magnetic field
W=mg=?Vg
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
V=kQ/r
Moving charge
29. 30
Convection
Increases
Sin=1/2 cos=v3/2
3a=Beta
30. intensity of sound
Y=(F/A)/(?L/L) stress over strain
I=P/A
?=2L/n
Virtual upright
31. speed of the spring
V=?A
F=- kx
Low voltage to high voltage
Approx .7
32. work as product of pressure and volume change
Coulomb=amphere*sec
Mass number
W'=?E=?KE+?U
F1/A1=F2/A2
33. (+) magnification signifies
Nsin?incident=nsin?refraction
Splitting of atomic nuclei
Upright image
Vo+at
34. Log(1000)=
3
Charge remains constant
2pvm/k
???
35. energy of moving proton
1/2mv^2
N2>n1
Intensity
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
36. magnetic field of solenoid
B=
W=Fdcos?
Substance is less dense then water
Kg*m/s^2
37. charge on the plates of a capacitor
Protons+neutrons
Side opposite From which light originates
Q=CV
U=(1/2)kx^2
38. relate focal length and radius of curvature(r)
F=r/2
Virtual upright smaller
?=2L/n
V/??
39. equation relating heat gained and temperature change
E=???=hc/?
Conductor
Q=mc?t
V=kQ/r
40. sound waves are what kind of waves
Real inverted
?=4L/n
Longitudinal
P=IV
41. electric flux
F=E*A
V=?A
Pressure to move - voltage when no charge is moving between 2 terminals
F=mv^2/r
42. period of spring
Beta=
None
Charge/length
2pvm/k
43. splitting of white light in a prim is an example of...
Neutron is converted into a proton and an electron is emitted
Insulator
Frequency
Dispersion
44. relate charge and current
W=qv
C=Q/V
P=IA
Coulomb=amphere*sec
45. relationship between linear thermal expansion and volumetric thermal expansion
Mass number
T=rFsin?
Fluid resistance to flow
3a=Beta
46. wave velocity=
When in parallel
???
Upright image
Energy required to free electron from given metal
47. adhesion
Protons+neutrons
Force a molecule of liquid feels toward molecules of some other substance
I=?q/?t
Is equal to gravitational force
48. The bigger the cross - section of a resistor..
N1>n2
F=qvBetasin?
More flow less resistance
E=???=hc/?
49. angular frequency of spring ?
N=c/v
Hydrostatics
Increases
?=vk/m=2p??
50. negative charge moves spontaneously from
Irms=Imax/v2
B=
Low voltage to high voltage
image/object