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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. difference between Calorie and calorie
Y=(F/A)/(?L/L) stress over strain
P=m?v
A Calorie is a nutritional term equal to 1000 calories
Virtual upright
2. work function
Energy required to free electron from given metal
EV
Difference between the mass of nucleus and the sum of nucleons
Sin=1 cos=0
3. energy of a photon is dependent on...
F=q/e0
Frequency
1/f=1/o+ 1/i
Wave speed
4. thermal expansion of a solid
Mass number
Wave speed
?L=aL?T
Perpendicular to each other
5. density with units
P=1/f
?=m/v kg/m^3 g/ml g/cm^3
Body in motion remains in motion unless net force acts upon it
Virtual upright
6. for object in SHM E=
2
Angle of incidence=angle of reflection
K+U=constant
2 times the focal distance
7. youngs modulus
Minimum frequency of light that will cause emission of an electron
Work/time
Beta=
Y=(F/A)/(?L/L) stress over strain
8. What is heat of fusion
Amount of energy required for phase change from solid to liquid
N1>n2
N is proportional to 1/?
Mass
9. energy stored in capacitor
Increase length increase resistance
No image is formed
U=1/2QV=1/2CV^2=1/2Q^2/C
Energy gained by particle with charge of e when moved through one volt
10. 60
When velocity of the fluid exceeds critical velocity
W=qv
(1/2)?v^2
Sin=v3/2 cos=1/2
11. across capacitor what remains constant
Voltage
More rigid material
Longitudinal
Negative
12. max frequency of X- ray depends ONLY on...
Virtual upright
No image is formed
Upright image
Energy of electrons
13. splitting of white light in a prim is an example of...
EV
P=IA
Dispersion
It jumps to higher energy level
14. force experienced by moving charge traveling parallel or antiparallel to magnetic field
image/object
None
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
More flow less resistance
15. for photoelectric material to liberate an electron
2pvm/k
Side opposite From which light originates
Photon energy must be greater than work function of the material
Bigger and beyond original object
16. Newtons 3rd law of motion
Y=(F/A)/(?L/L) stress over strain
3a=Beta
F=- F
Vrms=Vmax/v2
17. ideal ammeter
Difference between the mass of nucleus and the sum of nucleons
E=1/2k(A^2)
Zero resistance
1/f=1/o+ 1/i
18. closed pipe frequency
??=nv/4L
Nsin?incident=nsin?refraction
Vrms=Vmax/v2
Derive universal gravitation equation
19. What does atoms atomic weight represent
Mass
Energy of electrons
?V=BetaV?T
Weighted average of the masses of the element
20. vertical velocity of projectile
Zero resistance
Vsin?
Farad 1 F= 1 c/v
N=c/v
21. In what position does spring has its greatest speed
E=???=hc/?
1000 kg/m^3 or 1 g/cm^3
Higher temperature increases resistance
Equilibrium position
22. relationship between linear thermal expansion and volumetric thermal expansion
3a=Beta
Emf is positive
A=v^2/r
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
23. lever arm is halved what happens to torque
P=i^2r
Vsin?
A=v^2/r
It is halved
24. Gauss's Law
W=Fdcos?
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
Number of protons in nucleus
F=q/e0
25. reflection law
Voltage
None
Angle of incidence=angle of reflection
Ampere (1C/s)
26. a in isotopic notation
T=rFsin?
Emf is positive
F=nv/2L
Mass number
27. wavelength in string
Real inverted
?=2L/n
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
Convection
28. stays constant when light travels through boundary
Real inverted image
F=1/2(r)
Frequency
Sin=1/2 cos=v3/2
29. kirchhoff's rule -- travel from negative to positive
W'=?E=?KE+?U
Emf is positive
Q=mL
Buoyant force equals blocks weight
30. find energy in circuit
WATTS
700nm -400nm
Number of protons in nucleus
E=Pt
31. deposition
Energy gained by particle with charge of e when moved through one volt
Gas to solid
Solute whose solution is conductive
Ceq=C1+C2+C3 Veq=V1=V2=V3
32. magnetic field of solenoid
Substance is less dense then water
P=i^2R=V^2/R=IV
Moving charge
B=
33. resistance in parallel
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
R=pL/A
N1>n2
Cohesion
34. suppose a block is floating in H2O - What does this mean
1/Ceq=1/C1+1/C2+1/C3 Veq=V1+V2+V3
U=1/2QV=1/2CV^2=1/2Q^2/C
Gas to solid
Buoyant force equals blocks weight
35. The bigger the cross - section of a resistor..
Emf is positive
MRT
More flow less resistance
Increases
36. electromotive force
Surface
Hydrostatics
V=???
Pressure to move - voltage when no charge is moving between 2 terminals
37. force due to electric field on single charge
E=neE n is excess charge
?L=aL?T
2pvL/g
(mass defect)(speed of light)^2
38. calculate binding energy
Equilibrium position
(mass defect)(speed of light)^2
N*s/m^2
A=v^2/r
39. closed pipe wavelength
Vbulk modulus
(1/2)?v^2
?=4L/n
?V=BetaV?T
40. units for newtons
P=1/f
F=r/2
Req=R1+R2+R3 Veq=V1+V2+V3
Kg*m/s^2
41. formula for solution which is diluted related to initial concentration
M1v1=m2v2
P=IA
700nm -400nm
Bigger and beyond original object
42. period of spring
Longitudinal
2pvm/k
Force a molecule of liquid feels toward molecules of some other substance
Proton or neutron
43. electric field equation
Vrms=Vmax/v2
F=ma
Light emitted due to heat
E=kQ/r^2
44. capacitance of simple parallel plate (not according to Ohms)
E=neE n is excess charge
V=?A
C=e(A/d)
Radiation
45. -Beta- decay
Neutron is converted into a proton and an electron is emitted
E*r
Increases
Sin=0 cos=1
46. Newtons 2nd law of motion
Fs=
F=ma
More flow less resistance
V=kQ/r
47. center of curvature is...
It jumps to higher energy level
Equilibrium position
2 times the focal distance
Negative
48. boiling point of H2O in K and C
373K 100
Convection
V=kQ/r
Vbulk modulus
49. When is torque maximum
When ?=90 b/c sin90=1
Substance is more dense then water
Conductor
Electric fields of all the light waves are oriented in the same direction
50. relate velocities and displacement 2 ways
W=qv
V^2=vo^2+2a?x ?x=1/2(vo+v)t
?=vk/m=2p??
Proton or neutron