I don't know the right one, but one these for is correct:
a) turn around
b) bend toward the normal
c) stop
d) combine
Its D, combine
They cancel each other out....
... constructive interference.
Two light waves arriving at the same place at the same time will normally create an interference pattern of light, if they are not perfectly in phase; if they are perfectly in phase they will just create a brighter light.
When two or more waves occupy the same space at the same time, an interference pattern is created.
only if the waves are IN PHASE. This means if you are looking at a diagram of 2 waves going at each other, both waves have to be the same size, wavelength, AND on the same side of the diagram, whether its on the top or bottom. If one wave is on the bottom and the other on top, but has the same size, it will produce a standing wave.
Refracting is the phenomena that takes place when sound waves are reflected from a surface along parallel lines. During this phenomena the phase velocity of the wave changes but the frequency of the wave stays the same.
Interference.
... constructive interference.
No, the primary (P) waves arrive first.
Two light waves arriving at the same place at the same time will normally create an interference pattern of light, if they are not perfectly in phase; if they are perfectly in phase they will just create a brighter light.
Interference
Interference.
Different waves arrive at a point at the same time.
They canceled
When two or more waves occupy the same space at the same time, an interference pattern is created.
When two or more waves occupy the same space at the same time, an interference pattern is created.
displaced
Seismic waves do not arrive uniformly all over the Earth