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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. type of heat transfer involving direct transfer of energy from molecule to molecule through molecular collisions
Conduction
Protons+neutrons
Emf is positive
Perpendicular to each other
2. body in translational equilibrium
Sin=0 cos=-1
F=nv/2L
No net force acting on it
F=r/2
3. point of shape change beyond which a material can go back to normal
Light emitted due to heat
Yield strength
Neutron is converted into a proton and an electron is emitted
Spreading out of light as it passes through a narrow opening
4. tone with shortest period has
Force a molecule of liquid feels toward molecules of some other substance
V=kQ/r
Energy required to free electron from given metal
The shortest wavelength
5. unit for energy beside J
The shortest wavelength
Charge remains constant
Gamma decay
EV
6. (+) magnification signifies
20 Hz to 20 -000 Hz
Radiation
Approx .7
Upright image
7. what creates a magnetic field
F=nv/2L
Moving charge
EV
Ampere (1C/s)
8. capacitors in parallel
Sin=0 cos=-1
Ceq=C1+C2+C3 Veq=V1=V2=V3
More malleable material
?=2L/n
9. large moduli value
V=???
More rigid material
Solute whose solution is conductive
The shortest wavelength
10. relate focal length and radius of curvature(r)
F=r/2
Will never decrease capacitance
Voltage
Increase length increase resistance
11. unit of current
Fs=
2pr
Pascal (Pa) N/m^2
Ampere (1C/s)
12. -Beta- decay
Gamma decay
Amount of energy required for phase change from solid to liquid
Neutron is converted into a proton and an electron is emitted
Negative
13. small moduli value
Equilibrium position
Derive universal gravitation equation
More malleable material
Protons+neutrons
14. work as it relates to constant force
Virtual
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
W=Fdcos?
V=?A
15. work in electromagnetic field
W=qv
Light emitted due to heat
Buoyant force equals blocks weight
V=IR
16. if cell is not driving current
(Vo+v)/2
Vo^2+2a(?x)
Internal resistance is zero voltage=emf
I=P/A
17. current of AC
F=I(L*B)
Irms=Imax/v2
Emf is negative
Farad 1 F= 1 c/v
18. work function
F=E*A
B=(F/A)/(?V/V)
Energy required to free electron from given metal
Buoyant force equals blocks weight
19. cohesion
Work/time
Vcos?
A=v^2/r
Force a molecule of liquid feels toward the other molecules of the liquid
20. electrical power
Surface
?=m/v kg/m^3 g/ml g/cm^3
F=1/2(r)
P=IV
21. audible wave frequency
20 Hz to 20 -000 Hz
Perpendicular to each other
Convection
B=(F/A)/(?V/V)
22. fission
Splitting of atomic nuclei
E*r
When velocity of the fluid exceeds critical velocity
3
23. open pipe wavelength
Amount of energy required for phase change from solid to liquid
?=2L/n
Conductor
Inverted image
24. capacitance of simple parallel plate (not according to Ohms)
Intensity
C=e(A/d)
Mass number
Number of protons
25. velocity for a wave
Resistor
Yield strength
Frequency
V=???
26. specific gravity greater than one
F/A
0K -273
??=nv/4L
Substance is more dense then water
27. magnitude of current
Req=R1+R2+R3 Veq=V1+V2+V3
Fusion
I=?q/?t
F=r/2
28. increasing emf has What effect on ?G
Current*voltage
Makes ?G more negative thus more spontaneous
F=E*A
Low voltage to high voltage
29. under content acceleration v^2=
(1/2)?v^2
2 times the focal distance
Number of protons
Vo^2+2a(?x)
30. speed of sound in proportional to...
P=i^2r
F=Gm1m2/r^2
Dispersion
Vbulk modulus
31. object placed inside focal point in converging lens create What type of image
Virtual upright
It is halved
F=I(L*B)
Work/time
32. across capacitor what remains constant
E=V/d
Voltage
K+U=constant
V=???
33. 90
Q=mL
F=Gm1m2/r^2
Sin=1 cos=0
P=m?v
34. a lightbulb in a circuit is a
Resistor
4 Hz
Increases
Conduction
35. length of resistor
Increase length increase resistance
R=pL/A
MRT
The shortest wavelength
36. capacitance equation in circuit
U=(1/2)kx^2
Fs=
MRT
C=Q/V
37. plane mirrors create What type of image
Difference between the mass of nucleus and the sum of nucleons
Virtual
Neutron is converted into a proton and an electron is emitted
None
38. suppose a block is floating in H2O - What does this mean
Buoyant force equals blocks weight
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
Beta=
R=pL/A
39. type of heat transfer involving transfer of energy by electromagnetic waves
Req=R1+R2+R3 Veq=V1+V2+V3
Side opposite From which light originates
Radiation
(1/2)?v^2
40. period (T) and frequency (f) of a tone are related by
Decrease in pressure that fluid exerts on the walls of the container
T=1/f
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
Sin=0 cos=1
41. type of image ALWAYS created by diverging (convex) mirror
EV
Virtual upright smaller
Nsin?incident=nsin?refraction
A=v^2/r
42. 30
Negative
Electric fields of all the light waves are oriented in the same direction
Sin=1/2 cos=v3/2
Sin=v2/2 cos=v2/2
43. mass defect
Points away from + and toward -
Difference between the mass of nucleus and the sum of nucleons
Vo+at
Voltage
44. light bends away from normal when
Approx .7
N1>n2
?=m/v kg/m^3 g/ml g/cm^3
Gamma decay
45. v2/2
U=QV
Approx .7
Frequency
Frequency
46. photoelectric effect
Incident light is used to free electrons from a metal
Beta=
Vo^2+2a(?x)
Sin=v2/2 cos=v2/2
47. What is heat of fusion
Amount of energy required for phase change from solid to liquid
Light travels from high n to lower n with an angle of incidence greater than the critical angle
?=2L/n
P=i^2r
48. frequency of light given wavelength
Difference between the mass of nucleus and the sum of nucleons
F=c/?
Force a molecule of liquid feels toward molecules of some other substance
P=i^2r
49. relate velocities and displacement 2 ways
Hydrostatics
V^2=vo^2+2a?x ?x=1/2(vo+v)t
A=v^2/r
?=m/v kg/m^3 g/ml g/cm^3
50. viscosity
???
Vrms=Vmax/v2
Fluid resistance to flow
Force applied parallel to objects surface