Lesson 1-4 Flashcards

0
Q

A disturbance that transfers energy from one place to another

A

Wave

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1
Q

Wave

A

A disturbance that transfers energy from one place to another

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2
Q

Medium

A

Material through which a waves travels

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3
Q

Material through which a wave travels

A

Medium

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4
Q

longitudinal wave

A

Where particles move back and forth in the same direction that the wave travels or parallel to the wave

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5
Q

Where particles move back and forth in the same direction that the wave travels

A

Longitudinal wave

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6
Q

Transverse wave

A

Where particles move perpendicularly to the direction the wave travels

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7
Q

Where particle move perpendicularly to the direction of the wave

A

Transverse wave

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8
Q

Mechanical waves

A

Waves that require a medium

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9
Q

Waves that require a medium

A

Mechanical waves

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10
Q

Electromagnetic waves

A

Disturbances in electric and magnetic fields

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11
Q

Amplitude

A

A measure of how far particles in the medium move away from their normal rest position

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12
Q

measure of how far particles in the medium move away from their normal rest position

A

Amplitude

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13
Q

Wave length

A

Distance over how far the wave goes

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14
Q

Distance over how far the wave goes

A

Wavelength

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15
Q

Wave period

A

Time required for one cycle

16
Q

Wave period

A

Time required for one cycle

17
Q

Frequency

A

Tells you how many cycles occur in an amount of time

18
Q

Tells you how many cycles occur in an amount of time

A

Frequency

19
Q

Hertz

A

One cycle per second

20
Q

One cycle per second

A

Hertz

21
Q

Wave fronts

A

The shape of the wave

22
Q

The shape of the wave

A

Wave fronts

23
Q

Wave speed

A

Speed at which a wave travels

24
Q

Speed at which a wave travels

A

Wave speed

25
Q

Radiation

A

Transfer of energy as electromagnetic waves

26
Q

Transfer of energy through electromagnetic waves

A

Radiation

27
Q

Em spectrum

A

Where visible light represents only a very small piece of range of frequencies that an em can have

28
Q

Where visible light represents only a very small piece of range of frequencies that an em can have

A

Em spectrum

29
Q

Infrared

A

Light slightly longer wavelengths than red lights

30
Q

Light slightly longer wavelengths than red lights

A

Infrared

31
Q

UV rays

A

Light has slightly shorter wavelengths than violet light

32
Q

Light has slightly shorter wavelengths than violet light

A

UV rays