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Physics > Properties Of Waves > Flashcards

Properties Of Waves Flashcards

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0
Q

Longitudinal wave

A

Particles vibrate parallel to the direction of the energy transfer (sound + primary waves)
(Pushed back and forth)

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1
Q

What is a wave

A

A transfer of energy not matter

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2
Q

Why are sound waves longitudinal

A

Because sound is a pressure wave, it requires a medium to travel through. Sound waves are not able to transfer energy through a vacuum.

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3
Q

Frequency of wave equation

A

F=1/t

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4
Q

Time period of a wave equation

A

T=1/f

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5
Q

Number of waves per second

A

Hertz(Hz)

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6
Q

Compression

A

A region of high pressure

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7
Q

Rarefaction

A

A region of low pressure

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8
Q

Wavelength

A

The distance between a particular point on a wave and the same point on the next wave

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9
Q

Transverse wave

A

Produced when vibrations are perpendicular to the direction if energy (up and down or left and right)

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10
Q

Peak on a transverse wave

A

Highest point the wave reaches

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11
Q

Trough on a transverse wave

A

Lowest point the wave reaches

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12
Q

Amplitude on a transverse wave

A

From the middle point to the peak/trough

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13
Q

Frequency

A

The number of vibrations or waves per second (hertz [Hz])

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14
Q

Time period

A

The time it takes for one wave to be produced in seconds (s)

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15
Q

The wave equation

A

wave speed = frequency x wavelength
V = f x (lambda)
m/s = Hz x m

16
Q

The middle line through a transverse wave

A

The point in which the particles started undisturbed ( the equilibrium )

17
Q

Diffraction

A

The process where a bean of light or another type of wave is spread out as a result of passing through a narrow aperture

18
Q

What id the relationship between the amount id diffraction and the wavelength

A

As wavelength increases so does the amount of diffraction (directly proportional)

Physics (32 decks)

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