6.01 Transverse and longitudinal waves Flashcards

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1
Q

What are oscillations?

A

Oscillations is going back and forth in a regular rhythm.

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2
Q

What do waves transfer?

A

Waves transfer energy from one place to another but they don’t transfer any matter.

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3
Q

How do waves travel?

A

To travel from one place to another, the waves vibrate or oscillate.

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4
Q

What is the displacement of a wave?

A

How far from the equilibrium point the wave has oscillated on a displacement distance graph.

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5
Q

What is the distance of the wave?

A

How far the wave has travelled from its starting point on a displacement distance graph.

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6
Q

What is wavelength?

A

The distance of one entire oscillation on a displacement distance graph. Wavelength is the minimum distance in which a wave repeats itself.

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7
Q

What is the crest?

A

The very top of the wave.

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8
Q

What is the trough?

A

The very bottom of the wave.

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9
Q

What is the time period?

A

The length of one complete oscillation on a displacement time graph. Time period is the time required to produce 1 complete wave. Time taken to complete one vibration. SI unit is sec.

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10
Q

What is frequency?

A

No. of oscillations per second. SI unit is Hz.

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11
Q

Equation of frequency in terms of time period

A

f=1/T

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12
Q

Equation of time period in terms of frequency

A

T=1/f

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13
Q

Wave speed equation in terms of wavelength and frequency.

A

Wave speed (m/s) = Frequency (Hz) *wavelength (m)

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14
Q

Oscillations in transverse waves

A

In transverse waves, the oscillations are perpendicular to the direction of energy transfer.

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15
Q

What kind of waves are electromagnetic waves?

A

Transverse

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16
Q

Oscillations in longitudinal waves

A

In longitudinal waves, oscillations are parallel to the direction of energy transfer.

17
Q

What kind of waves are sound and shock waves?

A

Longitudinal

18
Q

What is amplitude?

A

This is the maximum distance a point moves from its rest position when a wave passes.

19
Q

The wave equation

A

speed=frequency*wavelength