Fichas
Waves
Fichas del conjunto (17)
- 1Define waves.A disturbance that travels through space carrying energy from one point to another
- 2What are waves that can travel through matter (air,water,earth)?Mechanical waves
- 3What are waves that can travel through a vacuum (NOTHING)?Electromagnetic waves
- 4Define Mechanical waves.waves that can travel through matter (air,water,earth)
- 5Define Electromagnetic waveswaves that can travel through a vacuum (NOTHING)
- 6What are transverse waves?Disturbance or deformation is perpendicular to the direction of movement
- 7What are longitudinal waves?Disturbance or deformation is parallel to the direction of movement
- 8What is the formula for wavelength?λ= total distance/# ofcycles
- 9what is the wavelength symbol for wave length and SI unit?lambda: λ
SI unit: meters - 10How can you tease the distance?It's easier to measure the distance b/w 2 crests, but you can also measure the distance b/w 2 troughs
- 11What is amplitude?The amplitude (A) is the maximum height of wave reaches measured from the equilibrium point (the point of 0 disturbance)
-The amplitude is NOT the distance b/w the top and bottom of wave - 12How do you measure the amplitude?With a ruler
- 13What is frequency?-Number of cycles (wavelength) per second, measured in Hertz (Hz)
-1 cycle/second= 1Hz
-the human ear can detect frequencies in a certain range - 14-1 cycle/second= ?1Hz
- 15What is the formula for frequency?f= # of cycles/ time (s)
=______Hz - 16What is the period of a wave?The time that it takes for a wave to complete a full cycle (wavelength)
-The unit of period is second (s) - 17What is the formula for period?T= time (s) / # of waves
=_____s
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- Fichas sobre Waves, creado por Sunstar el 14/06/2015.
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