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Test your basic knowledge |
Everyday Physics
Start Test
Study First
Subjects
:
science
,
literacy
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. C/n
Thermal radiation
velocity through a medium
law of conservation of energy
density of aluminum
2. Current x resistance
density of lead
Voltage
Energy of motion (kinetic energy)
pressure at depth h
3. As the speed of a moving fluid increases - the pressure within the fluid decreases
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4. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
velocity through a medium
viscosity
wave
5. Velocity squared / radius
mechanical wave
Centripedal acceleration=
velocity through a medium
Velocity=
6. Work done / heat in
density of aluminum
volume fluid flow rate formula
frequency of light
Engine efficiency
7. Force x lever arm
Torque
mass flow rate formula
Present velocity
Galileo
8. T(C) +273
Net force=0 net torque?0
Pressure=
Convert Celsius to Kelven
Net force=0 net torque?0
9. 100 -000 n/m^2
Projectile
atmospheric pressure (atm)
law of conservation of energy
Projectile
10. Net force=0 net torque=0
density of aluminum
Equilibrium
Fluid force
Condition for stability
11. P + density x g h
Rotational inertia (moment of inertia)
pressure at depth h
Condition for stability
Newton's Second Law
12. Mass x specific heat x temperature change
Present velocity
Heat
Total momentum before collision
Net force
13. The heat needed to raise the temperature of 1 pound of water by 1 degree F
continuity
Speed of light
1 BTU
volume fluid flow rate formula
14. 1 / period (time)
Thermal radiation
Weight
density of water
Frequency
15. T^4
infrasound
Speed of light
Thermal radiation
Conduction
16. Heat Q= mass of sample x specific heat x temp change
Engine efficiency cannot be 100%
Buoyant force
Weight
Heat capacity equation
17. Voltage / current
Convection
Heat capacity equation
Equilibrium
Resistance
18. The efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1.
order of states of matter stronger to lesser forces between atoms
Radiation
static fluid formula
Emissive
19. Current x voltage energy/time (joules per second)
Power (watts)
Wave speed=
Centripedal acceleration=
Present velocity
20. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
definition of Bernoulii's equation
Second law of thermodynamics
variation of pressure with depth
Torque
21. Speed of light / wavelength
density of water
azX
Velocity=
frequency of light
22. You cant get as much out as you put in
Engine efficiency cannot be 100%
Pressure=
Wave speed=
Heat
23. Speed of light / wavelength
pressure depends on
Voltage
Thermal radiation
frequency of light
24. The change in internal energy= the heat absorbed- the work done
Fluid force
volume fluid flow rate
Torque
law of conservation of energy
25. The total disorder of an object
Distance traveled
volume fluid flow rate
entropy
Velocity=
26. V x A= constant
pressure does what when depth is increased
continuity
Why does something move?
wavelength
27. Why things move
volume fluid flow rate formula
Mechanics
Stable
Aristotle
28. Number density x temperature
Net force
Buoyant force
pressure depends on
Total momentum before collision
29. T=2p square root m/k frequency= square root k/m;/2p
period p of a mass m oscillating on a horizontal spring of force constant k
Wavelength
Engine efficiency cannot be 100%
Radiation
30. Believed that the natural state of objects was to be at rest
continuity
Distance traveled
Aristotle
infrasound
31. P(P2-P1)D^4/128Ln n=fluid's viscosity
Flow through a pipe
Equilibrium
Rotational inertia (moment of inertia)
Wavelength
32.
velocity through a medium
static fluid formula
frequency of light
Energy of motion (kinetic energy)
33. Net force=0 net torque=0
Galileo
Quantum mechanics
Equilibrium
wave
34. Current x resistance
Internal energy
density of water
Voltage
1 BTU
35. Z+n
Aristotle
Internal energy
azX
incoming and outgoing flow rate formula
36. Initial velocity= the square root of 2gh
period p of a mass m oscillating on a horizontal spring of force constant k
Velocity required for an object to reach height h
Emissive
mechanical wave
37. Z+n
Distance traveled
azX
Einstein
c=3x10^8 m/s
38. The effectiveness of a material in conducting heat
atmospheric pressure (atm)
Thermal conductivity
Speed of light
Period
39.
Stable
order of states of matter stronger to lesser forces between atoms
Velocity required for an object to reach height h
Distance traveled
40. 2p x square root L/g
azX
Galileo
Brahe
period of a pendulum T of length L
41. 2 -700 kg/m^3
Power (watts)
Convert Fahrenheit to Celsius
Wavelength
density of aluminum
42. Time required to complete one cycle
Quantum mechanics
Power (watts)
density of lead
Period
43. Time= the square root of 2 x height / acceleration due to gravity
Photon energy
Time for an object thrown to reach maximum height
Mechanics
Wavelength
44. Mass x specific heat x temperature change
Acceleration
Pressure=
Pressure=
Heat
45. Solids - liquids - gases
density of air
order of states of matter stronger to lesser forces between atoms
Centripedal acceleration=
Acceleration
46. An object that is thrown or struck or shot and then travels under the influence of gravity
definition of Bernoulii's equation
Projectile
Convection
Centripedal acceleration=
47. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Buoyant force
Equilibrium
Present velocity
Acceleration
48. C / f
Radiation
Fluid force
Galileo
Wavelength
49. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Distance traveled
Newton
Period
variation of pressure with depth
50. 2p x square root L/g
Photon energy
pressure at depth h
period of a pendulum T of length L
Flow through a pipe