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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. 45
W=qv
Ceq=C1+C2+C3 Veq=V1=V2=V3
Sin=v2/2 cos=v2/2
F=ma
2. polarized light
None
Electric fields of all the light waves are oriented in the same direction
V=ED
Longitudinal
3. pressure
Higher temperature increases resistance
F=xk=mg
???
F/A
4. index of refraction (n) equation
E=???=hc/?
More malleable material
N=c/v
Body in motion remains in motion unless net force acts upon it
5. What is displacement equation
Work/time
V=kQ/r
?x=1/2(v+vo)t
Y=(F/A)/(?L/L) stress over strain
6. energy stored in capacitor
Spreading out of light as it passes through a narrow opening
U=1/2QV=1/2CV^2=1/2Q^2/C
Equilibrium position
4 Hz
7. formula for solution which is diluted related to initial concentration
Moving charge
P=m?v
I=P/A
M1v1=m2v2
8. planet orbiting a star - centripetal force
?V=BetaV?T
?=4L/n
No net force acting on it
Is equal to gravitational force
9. loudness of sound
Irms=Imax/v2
Surface
Nsin?incident=nsin?refraction
Intensity
10. thermal expansion of a solid
?L=aL?T
It is halved
P=IV
V=???
11. electric field of parallel plate capacitor
Conductor
A Calorie is a nutritional term equal to 1000 calories
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
E=V/d
12. Log(1000)=
3
U=q?v
Difference between the absolute and atm pressure Pg=P- Patm
N2>n1
13. material with very high resistance
Perpendicular to each other
1/2mv^2
Insulator
Fusion
14. s
Charge/area
None
None
Emf is negative
15. current of AC
Irms=Imax/v2
Vo+at
?=m/v kg/m^3 g/ml g/cm^3
???
16. frequency of spring is proportional to...
?=vk/m=2p??
Spring constant
Sin=v2/2 cos=v2/2
Vot+1/2at^2=(V0+v/2)t
17. work done by non conservative force
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183
18. work in electromagnetic field
Beta=
Sin=0 cos=-1
Virtual upright
W=qv
19. parabolic mirror: object between c and f - image is...
T=rF where F is proportional to mass and r is distance from pivot
Charge/length
Bigger and beyond original object
V=?A
20. point of shape change beyond which a material can go back to normal
V=IR
Yield strength
W=qv
Number of protons
21. determine spring constant
Derive universal gravitation equation
Hydrostatics
Kg*m/s^2
F=xk=mg
22. specific gravity is less than one
Frequency
E=neE n is excess charge
Substance is less dense then water
Increase length increase resistance
23. dielectric material
C=e(A/d)
Diopters
100% of the object will be submerged but will not sink
Will never decrease capacitance
24. under constant acceleration V(average)=
Virtual upright smaller
Energy required to free electron from given metal
(Vo+v)/2
When velocity of the fluid exceeds critical velocity
25. When does turbulence in a fluid arise
When velocity of the fluid exceeds critical velocity
Vo+at
???
N1>n2
26. type of image ALWAYS created by diverging (convex) mirror
Farad 1 F= 1 c/v
Virtual upright smaller
Charge/area
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
27. Electric Potential equation
V=kQ/r
J=Force*Time=mv - mvo=?p
?V=BetaV?T
3a=Beta
28. youngs modulus
More rigid material
Difference between the absolute and atm pressure Pg=P- Patm
Y=(F/A)/(?L/L) stress over strain
Upright image
29. As current flows through a resistor
F=nv/2L
Increase length increase resistance
Fusion
Charge remains constant
30. total energy of spring system
F=r/2
E=1/2k(A^2)
Equilibrium position
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
31. suppose a block is floating in H2O - What does this mean
P=i^2r
F=E*A
Perpendicular to each other
Buoyant force equals blocks weight
32. resistance in series
Charge remains constant
Number of protons
Req=R1+R2+R3 Veq=V1+V2+V3
?=2L/n
33. electrical power
Will never decrease capacitance
Y=(F/A)/(?L/L) stress over strain
More rigid material
P=IV
34. 0
Resistor
F/A
Sin=0 cos=1
2pr
35. energy of a photon is dependent on...
Ampere (1C/s)
Frequency
N1>n2
Resistor
36. centripetal acceleration
Difference between the absolute and atm pressure Pg=P- Patm
F=r/2
A=v^2/r
Work/time
37. SI unit for pressure
Derive universal gravitation equation
J=Force*Time=mv - mvo=?p
Pascal (Pa) N/m^2
Farad 1 F= 1 c/v
38. power is defined as
Rate of doing work
Proton or neutron
3
Fusion
39. units for newtons
Gas to solid
2pr
Kg*m/s^2
Ceq=C1+C2+C3 Veq=V1=V2=V3
40. charge of beta particles
Points away from + and toward -
Negative
?=2L/n
I=P/A
41. Formula for centripetal force
Cohesion
Photon energy must be greater than work function of the material
Gamma decay
F=mv^2/r
42. incandescence
Light emitted due to heat
???
W=mg=?Vg
Frequency
43. snells law
N*s/m^2
Nsin?incident=nsin?refraction
P=m?v
Coulomb=amphere*sec
44. increase in velocity of a fluid is associated with
N is proportional to 1/?
Vrms=Vmax/v2
Decrease in pressure that fluid exerts on the walls of the container
F=1/2(r)
45. potential energy of spring
U=(1/2)kx^2
Fs=
Derive universal gravitation equation
3
46. -Beta- decay
4 Hz
I=P/A
Neutron is converted into a proton and an electron is emitted
U=(1/2)kx^2
47. photoelectric effect
J=Force*Time=mv - mvo=?p
E=???=hc/?
Side opposite From which light originates
Incident light is used to free electrons from a metal
48. equation for capacitance with dielectric
Substance is less dense then water
F=xk=mg
Emf is negative
C=eoKA/D
49. across capacitor what remains constant
Hydrostatics
Approx .7
Voltage
Virtual upright
50. calculate lens power
Pressure to move - voltage when no charge is moving between 2 terminals
Inverted image
3a=Beta
P=1/f