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Science > Waves > Flashcards

Waves Flashcards

1
Q

Mechanical Waves

A

Require a Medium

Examples: Sound, Water

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2
Q

Electromagnetic Waves

A

Don’t require a medium

Examples: Light, microwaves, x-rays

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3
Q

Waves

A

A model for explaining the transfer of energy

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4
Q

Medium

A

A substance or material which carries the wave and is composed of particles that can interact with each other (ex. water, air, wood, etc.)

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5
Q

Part of a Wave: Crest

A

Highest point

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6
Q

Part of a Wave: Trough

A

Lowest point

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7
Q

Part of a Wave: Wavelength

A

Distance between adjacent identical parts of a wave

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8
Q

Part of a Wave: Amplitude

A

Distance from wave equilibrium (starting point) to crest or trough

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9
Q

Part of a Wave: Frequency

A

How often a wave occurs

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10
Q

Part of a Wave: Period

A

Time it takes for one complete wave

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11
Q

How can changing the amplitude of a wave impact its frequency and energy?

A

More waves, more energy (faster)

Amplitude is distance from wave equilibrium to crest of trough

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12
Q

Transverse Waves

A

Source of wave move up and down (perpendicular)

Light

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13
Q

Longitudinal Waves

A

Source of wave moves left to right (parallel)

Sound

Also called compressional waves

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14
Q

Velocity

A

Distance a wave moves per second.

v = λ f
Velocity (v) m/s
Wavelength (λ) m
Frequency ( f ) Hz

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15
Q

Relationship between wavelength and frequency

A

As wavelengths get smaller, frequencies get higher

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16
Q

Relationship between frequency and energy (speed)

A

The higher the frequency, the more energy the wave has (wave speed)

17
Q

How fast does Light travels compared to sound in air?

A

Light travels nearly a million times faster than sound in air.
Light and all electromagnetic waves are transverse waves.

18
Q

What is the Visible Light Spectrum order?

A

ROY G. BV
red
orange
yellow
green
blue
violet

Science (8 decks)

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