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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. Speed of light / wavelength
Photon energy
frequency of light
pressure does what when depth is increased
Aristotle
2. Hf
Photon energy
Resistance
static fluid formula
Condition for stability
3. C/n
Emissive
velocity through a medium
Voltage
Time for an object thrown to reach maximum height
4. T=2p square root m/k frequency= square root k/m;/2p
Acceleration due to gravity on the earth
period p of a mass m oscillating on a horizontal spring of force constant k
Wavelength
Power (watts)
5. 9/5T(C)+32
Convert Celsius to Fahrenheit
pressure does what when depth is increased
viscosity
Conservation of energy
6. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
viscosity
Aristotle
pressure depends on
7. 100 -000 n/m^2
atmospheric pressure (atm)
Fluid force
Engine efficiency cannot be 100%
Frequency
8. The effectiveness of a material in conducting heat
Convert Celsius to Kelven
Velocity=
Thermal conductivity
Why does something move?
9. Current x voltage energy/time (joules per second)
definition of Bernoulii's equation
pressure depends on
Power (watts)
Why does something move?
10. Wavelength x frequency
Convert Celsius to Kelven
mass flow rate formula
Wave speed=
Stable structures
11. Length of a wave
continuity
wavelength
Net force=0 net torque?0
Speed of light
12. Believed that the natural state of objects was to be at rest
definition of Bernoulii's equation
Aristotle
Stable
Torque
13. Rod with forces applied at opposite ends in opposite directions
Voltage
Net force=0 net torque?0
The US uses how much of the total world energy consumption?
Quantum mechanics
14. P(P2-P1)D^4/128Ln n=fluid's viscosity
entropy
Power (watts)
Flow through a pipe
Fluid force
15. The energy that flows from one system to another because of their temperature difference.
density of aluminum
Heat
Stable
Centripedal acceleration=
16. Decreases
Resistance
Buoyant force
the pressure of liquids _____ when it goes faster
Velocity required for an object to reach height h
17. Sounds above 20 -000 Hz
ultrasound
1 BTU
law of conservation of energy
Heat
18. 5/9 [T(F)-32]
Photon energy
Net force
Convert Fahrenheit to Celsius
Radiation
19. 1 -000 kg/m^3
wavelength
mass flow rate formula
pressure depends on
density of water
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)
1 BTU
Thermal radiation
Net force?0 net torque=0
Second law of thermodynamics
21. T^4
Thermal radiation
Acceleration
Convection
continuity
22. 2p x square root L/g
period of a pendulum T of length L
continuity
Heat capacity equation
Second law of thermodynamics
23. Initial velocity= the square root of 2gh
Velocity required for an object to reach height h
Energy of motion (kinetic energy)
Speed of light
law of conservation of energy
24. A tendency for liquids to resist flowing.
Net force
viscosity
Condition for stability
Aristotle
25. Velocity squared / radius
Centripedal acceleration=
entropy
density of water
variation of pressure with depth
26. Force per unit area
the pressure of liquids _____ when it goes faster
ultrasound
Torque
Pressure=
27. 2 -700 kg/m^3
Torque
Condition for stability
The US uses how much of the total world energy consumption?
density of aluminum
28. Sounds above 20 -000 Hz
Galileo
Energy of motion (kinetic energy)
ultrasound
measure of density
29. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Engine efficiency
Second law of thermodynamics
Time for an object thrown to reach maximum height
mechanical wave
30. Mass x specific heat x temperature change
Wave speed=
Newton
Heat
wave
31. Pascal (Pa) or pounds per square inch (psi)
measurement of pressure
Photon energy
pressure at depth h
Newton
32. Time= the square root of 2 x height / acceleration due to gravity
measure of density
Torque
Resistance
Time for an object thrown to reach maximum height
33. The sum of the energy of all the molecules in the system
Internal energy
Net force?0 net torque=0
amplitude
infrasound
34. 5/9 [T(F)-32]
measure of density
Voltage
Convert Fahrenheit to Celsius
Projectile
35. Voltage / current
Radiation
Resistance
Wave speed=
Torque
36. Net force=0 net torque=0
Equilibrium
Momentum
Thermodynamics
amplitude
37. Length of a wave
Resistance
Fluid force
wavelength
density of air
38. P + density x g h
Weight
c=3x10^8 m/s
Heat capacity (specific heat)
pressure at depth h
39. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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40. If the CG is above the edge - the object will not fall
Physics
Condition for stability
Acceleration due to gravity on the earth
Why does something move?
41. Distance traveled / time
Velocity=
Buoyant force
density of air
Net force?0 net torque=0
42. T^4
pressure does what when depth is increased
Wave speed=
amplitude
Thermal radiation
43. The heat needed to raise the temperature of 1 pound of water by 1 degree F
1 BTU
Engine efficiency
wave
volume fluid flow rate formula
44. Z+n
Quantum mechanics
Torque
Internal energy
azX
45. Number density x temperature
Why does something move?
pressure depends on
Velocity required for an object to reach height h
Buoyant force
46.
Convection
Distance traveled
Convert Celsius to Fahrenheit
Torque
47. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.
measurement of pressure
Galileo
wavelength
Convert Celsius to Fahrenheit
48. V x A= constant
density of aluminum
Galileo
continuity
Emissive
49. Maximum displacement from equilibrium
the pressure of liquids _____ when it goes faster
amplitude
Total momentum before collision
Flow through a pipe
50. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
mass flow rate formula
Kepler
Acceleration due to gravity on the earth
the pressure of liquids _____ when it goes faster
Can you answer 50 questions in 15 minutes?
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