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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. torque formula
T=rFsin?
Current*voltage
A Calorie is a nutritional term equal to 1000 calories
Angle of incidence=angle of reflection
2. find energy in circuit
Approx .7
P=m?v
2pvm/k
E=Pt
3. freezing point of H2O in K and C
Number of protons in nucleus
273K 0
Beta=
Light travels from high n to lower n with an angle of incidence greater than the critical angle
4. meaning of Bernouili's equation
Proton or neutron
As speed of fluid increases pressure and potential energy decrease
Vbulk modulus
373K 100
5. speed of sound in proportional to...
Vbulk modulus
Zero resistance
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
Internal resistance is zero voltage=emf
6. total horizontal distance traveled by projectile
700nm -400nm
P=m?v
X=(initial horizontal v)(time in air)
Is equal to gravitational force
7. polarized light
B=
Electric fields of all the light waves are oriented in the same direction
?V=BetaV?T
Fs=
8. z in isotopic notation
Hydrostatics
P=m?v
Number of protons
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
9. period (T) and frequency (f) of a tone are related by
T=1/f
V/??
Conduction
Substance is more dense then water
10. calculate binding energy
Resistor
(mass defect)(speed of light)^2
F=- F
Convection
11. electrolyte
2
New/old
N*s/m^2
Solute whose solution is conductive
12. frequency of spring is inversely proportional to...
Mass
Charge/area
Solid to gas
Frequency
13. magnetic force
WATTS
Hydrostatics
Virtual upright
F=qvBetasin?
14. capacitance of simple parallel plate (not according to Ohms)
3
V=???
C=e(A/d)
F=qvBetasin?
15. As current flows through a resistor
2 times the focal distance
Charge remains constant
Virtual upright
Gamma decay
16. larger the index of refraction..
Slower light will travel
Q=mL
Wave speed
???
17. a in isotopic notation
Conduction
P=i^2r
As speed of fluid increases pressure and potential energy decrease
Mass number
18. dynamic pressure
F=1/2(r)
Conduction
273K 0
(1/2)?v^2
19. units for newtons
F=ma
Kg*m/s^2
0K -273
Sin=v3/2 cos=1/2
20. electric potential energy
Irms=Imax/v2
U=QV
More rigid material
(mass defect)(speed of light)^2
21. electrical power
P=IV
E=Pt
Minimum frequency of light that will cause emission of an electron
F=- F
22. tone with shortest period has
Real image
The shortest wavelength
N=c/v
3
23. sound waves are what kind of waves
Longitudinal
2pvL/g
F=nv/2L
N is proportional to 1/?
24. type of image ALWAYS created by diverging (convex) mirror
Virtual upright smaller
Resistor
Incident ray
Spring constant
25. frequency of spring is proportional to...
Spring constant
Cohesion
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
Fk=
26. density with units
P=m?v
?=m/v kg/m^3 g/ml g/cm^3
Will never decrease capacitance
A sin?=n?
27. surface tension results from
Cohesion
273K 0
Inverted image
B=
28. absolute zero in K and C
The shortest wavelength
0K -273
F=E*A
Proton or neutron
29. snell's law derivative
Q=CV
(1/2)?v^2
Fs=
N is proportional to 1/?
30. beat frequencies for two frequencies differing by 4 Hz
M1v1=m2v2
4 Hz
???
Radiation
31. unit for energy beside J
Number of protons
EV
F=xk=mg
Minimum frequency of light that will cause emission of an electron
32. solves for power lost during transmission (one way)
P=i^2r
?=2L/n
Image is always upright virtual and smaller
X=(initial horizontal v)(time in air)
33. (-) magnification signifies
Inverted image
(mass defect)(speed of light)^2
Substance is more dense then water
Mass number
34. fission
Sin=1 cos=0
Splitting of atomic nuclei
A=v^2/r
2
35. work function
Charge remains constant
Energy required to free electron from given metal
Converted to extra kinetic energy of the emitted electron
W=qv
36. ?
Charge/length
F=Gm1m2/r^2
W'=?E=?KE+?U
F/A
37. vertical velocity of projectile
Vsin?
Kg*m/s^2
Force and acceleration
Q=CV
38. center of curvature is...
Beta=
0K -273
P=i^2R=V^2/R=IV
2 times the focal distance
39. type of heat transfer involving transfer of energy by electromagnetic waves
Y=(F/A)/(?L/L) stress over strain
Radiation
V=IR
N is proportional to 1/?
40. amplitude of spring is proportional to...
E*r
Vot+1/2at^2=(V0+v/2)t
Conductor
Force and acceleration
41. energy of a photon is dependent on...
Makes ?G more negative thus more spontaneous
Frequency
1/2mv^2
Incident light is used to free electrons from a metal
42. density of water
Bigger and beyond original object
F1/A1=F2/A2
Decrease in pressure that fluid exerts on the walls of the container
1000 kg/m^3 or 1 g/cm^3
43. velocity for a wave
Radiation
None
No net force acting on it
V=???
44. SI unit for pressure
Side opposite From which light originates
When velocity of the fluid exceeds critical velocity
Pascal (Pa) N/m^2
U=1/2QV=1/2CV^2=1/2Q^2/C
45. under constant acceleration - v=
F=qvBetasin?
3
Vo+at
Mass
46. work done by non conservative force
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183
47. formula for impulse (J)
Angle of incidence=angle of reflection
J=Force*Time=mv - mvo=?p
A Calorie is a nutritional term equal to 1000 calories
WATTS
48. atoms atomic number represents
Side opposite From which light originates
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
Vrms=Vmax/v2
Number of protons in nucleus
49. energy stored in capacitor
Holds whenever we have a change in energy ?E=?KE+?PE=0
Spring constant
U=(1/2)kx^2
U=1/2QV=1/2CV^2=1/2Q^2/C
50. direction of electric field created by charge
Points away from + and toward -
Surface
Req=R1+R2+R3 Veq=V1+V2+V3
Farad 1 F= 1 c/v