Waves

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what is a wave
a wave is something which transfers energy from one place to another without a permanent motion of the material which the wave is travelling through
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what are two main types of waves
Transverse and longitudinal
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what is the definition of transverse wave
in a transverse wave, the vibrations are at right angles to the direction of the energy transfer
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what is the definition of longitudinal wave
in a longitudinal wave the vibrations are parallel to the direction of the energy transfer
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what is an amplitude
the maximum displacement of a point on a wave from its undisturbed position
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what is the wavelength
the distance from a point on one wave to the equivalent point on the wave beside it
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what is the period of a wave
the time taken for one complete wave to pass a point
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what is the frequency
the number of waves passing a point each second
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what is the equation for period
period = 1/frequency - T = 1/f
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what is the equation for wave speed
wave speed = frequency x wavelength
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what is the law of reflection
all waves can be reflected when they arrive at a boundary between one substance and another.
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what are electromagnetic waves
are transverse waves that transfer energy and they form a contious spectrum
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what is refraction
is the change in direction of a wave when it travels form one medium to another
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what are some properties of electromagnetic waves
are transverse, transfer energy from one place to another, can travel through a vacuum, travel at the same speed - (3x10^8), the frequency of a wave is inversely to its wavelength they can all be reflected
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Properties - when an electromagnetic wave travels from one medium to another
travel and be absorbed by an object transmitted right through an object
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what does amount of wave energy reflected absorbed or transmitted depend on:
media which the wave is travelling through, the distance traveled by the wave , the wavelength of the wave
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what is a transparent object
an object which we can see through clearly
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what is a translucent object
is one which allows light to pass through it, but through which can not see clearly
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what is an opaque object
does not allow light to pass through it
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Other cards in this set

Card 2

Front

what are two main types of waves

Back

Transverse and longitudinal

Card 3

Front

what is the definition of transverse wave

Back

Preview of the front of card 3

Card 4

Front

what is the definition of longitudinal wave

Back

Preview of the front of card 4

Card 5

Front

what is an amplitude

Back

Preview of the front of card 5
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