defining waves Flashcards

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1
Q

what is a longitudinal wave

A

where the wave propagation is in the same direction as the particle oscillation

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2
Q

what is a transverse wave

A

where the wave propagation is perpendicular to the particle oscillation

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3
Q

when are two waves completely out of phase?

A

at 180 degrees or pi radians

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4
Q

what is path difference?

A

the difference in distance travelled by two waves going from the same starting point to the same ending point.

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5
Q

what are the two polarisations?

A

vertical and horizontal

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6
Q

if all of a light source has one polarisation (all vertical or horizontal) what happens

A

it becomes polarised light

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