Wave definitions and equations Flashcards

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1
Q

What is the peak/crest?

A

Highest point on the wave

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2
Q

What is a trough?

A

Lowest point on the wave

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3
Q

What is the Equilibrium?

A

The place the wave vibrates around (the middle of the wave)

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4
Q

What is the Wavelength?

A

The distance between identical points on adjacent waves

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5
Q

What is the Amplitude?

A

The maximum displacement of a point on the wave from the equilibrium

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6
Q

WAVELENGTH IS ALWAYS IN METRES FOR THE EQUATION

A

WAVELENGTH IS ALWAYS IN METRES FOR THE EQUATION

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7
Q

What is the frequency?

A

The number of waves which pass a point in a second. Frequency is measured in Hz (Hertz)

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8
Q

What is a Wavefront?

A

A line where the waves moving through a material are all at the same point

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9
Q

What is the WAVESPEED equation?

A

Wave Speed = frequency × wavelength (IN METRES)

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10
Q

WAVELENGTH IS ALWAYS IN METRES FOR THE EQUATION

A

WAVELENGTH IS ALWAYS IN METRES FOR THE EQUATION

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11
Q

What is a Time Period?

A

The time take for a wave to complete a single oscillation. Seconds (S)

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12
Q

What is the frequency equation?

A

frequency = 1 ÷ Time Period

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13
Q

What symbol is wavelength represented by?

A

Upside down Y

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