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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. electrical power
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
Side opposite From which light originates
???
P=IV
2. plane mirrors create What type of image
P=i^2R=V^2/R=IV
3
?V=BetaV?T
Virtual
3. material with low resistance
Fk=
Kg*m/s^2
4 Hz
Conductor
4. potential energy of spring
Virtual
Inverted image
P=i^2r
U=(1/2)kx^2
5. work done by non conservative force
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6. find energy in circuit
Real inverted image
N2>n1
E=Pt
Farad 1 F= 1 c/v
7. location of minima in diffraction pattern
Current*voltage
E=kQ/r^2
Fluid resistance to flow
A sin?=n?
8. equation for kinetic friction
???
Fk=
Insulator
A Calorie is a nutritional term equal to 1000 calories
9. electrolyte
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
Solute whose solution is conductive
E=neE n is excess charge
Frequency
10. negative charge moves spontaneously from
Low voltage to high voltage
Counterclockwise is + clockwise is -
Weighted average of the masses of the element
Req=R1+R2+R3 Veq=V1+V2+V3
11. boiling point of H2O in K and C
Bigger and beyond original object
Gas to solid
373K 100
Real image
12. viscosity
Weighted average of the masses of the element
Fluid resistance to flow
F=- F
V=IR
13. ideal ammeter
Zero resistance
The liquid itself not the object
Inverted image
Wave speed
14. a in isotopic notation
Spring constant
As speed of fluid increases pressure and potential energy decrease
Wave speed
Mass number
15. work function
Energy required to free electron from given metal
Farad 1 F= 1 c/v
Work/time
Light travels from high n to lower n with an angle of incidence greater than the critical angle
16. atomic mass number represents
Wave speed
Protons+neutrons
Q=CV
Fusion
17. light bends away from normal when
Splitting of atomic nuclei
Real image
N1>n2
Substance is more dense then water
18. solves for power lost during transmission (one way)
Approx .7
Amount of energy required for phase change from solid to liquid
P=i^2r
F=mv^2/r
19. kirchhoff's rule -- travel from negative to positive
Emf is positive
20 Hz to 20 -000 Hz
A sin?=n?
Neutron is converted into a proton and an electron is emitted
20. closed pipe wavelength
Surface
Charge/length
?=4L/n
Inverted image
21. atoms atomic number represents
Number of protons in nucleus
U=QV
Real inverted image
As speed of fluid increases pressure and potential energy decrease
22. excess energy of a photon is...
Real inverted
2
Converted to extra kinetic energy of the emitted electron
Incident ray
23. energy of moving proton
Sin=v3/2 cos=1/2
More flow less resistance
E=???=hc/?
1/2mv^2
24. density of water
373K 100
2pvm/k
1000 kg/m^3 or 1 g/cm^3
Energy required to free electron from given metal
25. current of AC
Irms=Imax/v2
???
N1>n2
V=???
26. angular frequency of spring ?
?=vk/m=2p??
Energy required to free electron from given metal
Virtual upright
Energy gained by particle with charge of e when moved through one volt
27. when an electron absorbs a photon
?=m/v kg/m^3 g/ml g/cm^3
Longitudinal
It jumps to higher energy level
T=rFsin?
28. magnitude of magnetic field for current carrying wire
Ampere (1C/s)
W=Fdcos?
Angle of incidence=angle of reflection
Beta=
29. What is heat of fusion
Amount of energy required for phase change from solid to liquid
N2>n1
As speed of fluid increases pressure and potential energy decrease
Yield strength
30. temperature and resistors
V/??
Higher temperature increases resistance
Charge/length
W=qv
31. force due to electric field on single charge
A sin?=n?
J=Force*Time=mv - mvo=?p
???
E=neE n is excess charge
32. fission
V=kQ/r
I=?q/?t
?x=1/2(v+vo)t
Splitting of atomic nuclei
33. nucleon
A sin?=n?
Points away from + and toward -
C=eoKA/D
Proton or neutron
34. relate charge and current
Increases
Coulomb=amphere*sec
Force and acceleration
Resistor
35. power is defined as
Beta=10Log(I/Io)
Amount of energy required for phase change from solid to liquid
Rate of doing work
E=Pt
36. youngs modulus
Y=(F/A)/(?L/L) stress over strain
Body in motion remains in motion unless net force acts upon it
Incident ray
A=v^2/r
37. units for power of a lens
Spreading out of light as it passes through a narrow opening
Solid to gas
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
Diopters
38. momentum
4 Hz
P=m?v
V=?A
As speed of fluid increases pressure and potential energy decrease
39. cohesion
???
Force a molecule of liquid feels toward the other molecules of the liquid
V/??
T=rF where F is proportional to mass and r is distance from pivot
40. torque is given by
V=kQ/r
T=rF where F is proportional to mass and r is distance from pivot
F=- F
C=Q/V
41. under constant acceleration V(average)=
B=
Charge remains constant
(Vo+v)/2
?x=1/2(v+vo)t
42. length of resistor
Coulomb=amphere*sec
I=P/A
Increase length increase resistance
Holds whenever we have a change in energy ?E=?KE+?PE=0
43. work as product of pressure and volume change
Current*voltage
F1/A1=F2/A2
Radiation
Dispersion
44. horizontal velocity of projectile
Mass
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
F=c/?
Vcos?
45. shear
Negative
It jumps to higher energy level
Force applied parallel to objects surface
Conduction
46. wave velocity=
W'=?E=?KE+?U
Sin=v2/2 cos=v2/2
???
Conductor
47. What is displacement equation
W=Fdcos?
Force a molecule of liquid feels toward the other molecules of the liquid
Makes ?G more negative thus more spontaneous
?x=1/2(v+vo)t
48. power of sound wave
Body in motion remains in motion unless net force acts upon it
P=IA
N=c/v
Fk=
49. light bends toward normal when
N2>n1
M1v1=m2v2
Vot+1/2at^2=(V0+v/2)t
Pressure to move - voltage when no charge is moving between 2 terminals
50. specific gravity is less than one
EV
Substance is less dense then water
C=Q/V
Coulomb=amphere*sec