WAVE PROPERTIES

SHERRY ZHANG

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Across
3.when an object is normal to another object, it means they are perpendicular to each other.
5.Diffraction involves a change in direction of waves as they pass through an opening or around a barrier in their path. Water waves have the ability to travel around corners, around obstacles and through openings.
9.energy is moving away from the source by the disturbance medium
11.is a single disturbance moving through a medium from one location to another location.
14.A standing wave pattern is a pattern which results from the interference of two or more waves along the same medium, and points that appear to be standing still
17.The frequency of a wave is how often the particles of the medium vibrate when a wave passes through the medium.
20.Constructive interference is a type of interference that occurs at any location along the medium where the two interfering waves have a displacement in the same direction.
21.Speed = Wavelength • Frequency
23.the locus of points which have the same phrase
24.mediums are particles carries the wave, not the wave and does not waves
25.Antinodes are located at positions along the medium where the two interfering waves are always undergoing constructive interference.
26.Wave interference is the phenomenon that occurs when two waves meet while traveling along the same medium.
27.The period of a wave is the time for a particle on a medium to make one complete vibrational cycle.
28.The angle formed by a reflected ray and a perpendicular to the surface at the point of reflection.
Down
1.The principle of superposition is two waves interfere, the resulting displacement of the medium at any location is the algebraic sum of the displacements of the individual waves at that same location.
2.transverse wave is a wave in which particles of the medium move in a direction perpendicular to the direction that the wave moves.
4.The amplitude of a wave is the maximum amount of displacement of a particle on the medium from its rest position.
5.all directions are possible
6.longitudinal wave is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves.
7.The wavelength of a wave is the length of one complete wave cycle.
8.Law of reflection is the waves will always reflect in such a way that the angle at which they approach the barrier equals the angle at which they reflect off the barrier.
10.When one medium ends, another medium begins; the interface of the two media is referred to as the boundary
12.Destructive interference is a type of interference that occurs at any location along the medium where the two interfering waves have a displacement in the opposite direction.
13.Nodes occur at locations where two waves interfere such that one wave is displaced upward the same amount that a second wave is displaced downward. This form of interference is known as destructive interference and leads to a point of "no displacement." A node is a point of no displacement.
15.The angle formed by a ray incident on a surface and a perpendicular to the surface at the point of incidence.
16.The crest of a wave is the point on the medium that take to the maximum amount of positive or upward displacement from the rest position.
18.The trough of a wave is the point on the medium that take to the maximum amount of negative or downward displacement from the rest position.
19.Refraction of waves involves a change in the direction of waves as they pass from one medium to another. Refraction, or the bending of the path of the waves, is accompanied by a change in speed and wavelength of the waves.
22.The speed is the distance traveled by a given point on the wave in a given interval of time.

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