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Year 10 Physics > Topic 4 : Waves > Flashcards

Topic 4 : Waves Flashcards

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1
Q

Amplitude

A

The maximum displacement of a wave from its undisturbed (equilibrium) position.

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2
Q

Angle of incidence

A

Angle of Incidence: The angle between the incident ray and normal.

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3
Q

Angle of reflection

A

Angle of Reflection: The angle between the reflected ray and normal.

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4
Q

Electromagnetic waves

A

Electromagnetic Waves: Transverse waves that transfer energy from the source of the waves, to an absorber. They form a continuous spectrum of different frequencies and all travel at the same speed in a vacuum.

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5
Q

Foetal scanning

A

*Foetal Scanning: A method of producing an image of a foetus in a womb through the emission, reflection and detection of ultrasound waves.foetal scanning

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6
Q

Frequency

A

Frequency: The number of waves passing a given point in a second. It is the inverse of the wave’s time period.

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7
Q

Hertz

A

Hertz: The unit of frequency.

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8
Q

Infrasound

A

*Infrasound: Sound waves that have a frequency lower than the lower limit of human hearing (20Hz).

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9
Q

Law of refraction

A
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10
Q

Longitudal waves

A

Longitudinal Waves: Waves with oscillations that are parallel to the direction of travel/energy transfer.

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11
Q

Reflection

A

Reflection: The bouncing back of a wave at a boundary.

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12
Q

Seismic waves

A

Seismic Waves: Waves that are produced by earthquakes.

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13
Q

Sonar

A

*Sonar: A method of determining distances in water using the emission, reflection and detection of ultrasound waves.

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14
Q

Time period

A

Time Period: The time it takes for one complete wave to pass a given point. It is the inverse of frequency.

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15
Q

Transverse waves

A

Transverse Waves: Waves with oscillations that are perpendicular to the direction of travel/energy transfer.

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16
Q

Ultrasound waves

A

*Ultrasound Waves: Waves that have a frequency higher than the upper limit of human hearing (20kHz).

17
Q

Time period

A

Time Period: The time it takes for one complete wave to pass a given point. It is the inverse of frequency.

18
Q

Transverse wave s

A

Transverse Waves: Waves with oscillations that are perpendicular to the direction of travel/energy transfer.

19
Q

Wavelengths

A

Wavelength: The distance from a point on one wave to the same point on the adjacent wave (ie. peak to peak or trough to trough).

Year 10 Physics (8 decks)

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