Waves Flashcards

1
Q

A substance through which a wave moves.

A

Medium

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2
Q

A wave such as a sound wave or a seismic wave, that transfers kinetic energy through matter.

A

Mechanical wave

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3
Q

A type of wave in which the disturbance moves at right angles, it perpendicular, to the direction in which the wave travels.

A

Transverse wave

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4
Q

A type of wave in which the disturbance moves in the same direction that the wave travels.

A

Longitudinal wave

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5
Q

The highest point, or peak, of a wave.

A

Crest

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6
Q

The lowest point, or valley, of a wave.

A

Trough

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7
Q

The maximum distance that a disturbance causes a medium to move from its rest position; the distance between a crest or trough of a wave and line through the center of a wave

A

Amplitude

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8
Q

The distance from one wave peak or crest to the next peak or crest. Wavelength can be measured as the distance from any part of one wave to the identical part of the next wave.

A

Wavelength

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9
Q

The number of waves that pass a fixed point in a given amount of times, usually one second; the number of cycles per unit time

A

Frequency

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10
Q

The bouncing back of a wave after it strikes a barrier.

A

Reflection

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11
Q

The bending of a wave as it crosses the boundary between two mediums at an angle other than 90 degrees.

A

Refraction

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12
Q

The spreading of waves as they pass through an opening or around the edges of an obsticle

A

Diffraction

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13
Q

The meeting and combining of waves; the adding or subtracting of wave amplitudes that occurs as waves overlap.

A

Interference

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14
Q

A disturbance that transfers energy from one place to another without requiring matter to move the entire distance.

A

Wave

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