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Waves. Wavelength ( ) - length of one complete wave Frequency ( ) - # of waves that pass a point during a certain time period hertz (Hz) = 1/s or s -1 Amplitude (A) - distance from the origin to the trough or crest. . crest. A. origin. trough. greater amplitude (intensity). Waves.

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Presentation Transcript
Waves
Waves

  • Wavelength () - length of one complete wave

  • Frequency () - # of waves that pass a point during a certain time period

    • hertz (Hz) = 1/s or s-1

  • Amplitude (A) - distance from the origin to the trough or crest


Waves1

crest

A

origin

trough

greater amplitude

(intensity)

Waves

greater frequency

(color)


Em spectrum
EM Spectrum

HIGH

ENERGY

LOW

ENERGY


Em spectrum1

R

O

Y

G.

B

I

V

red

orange

yellow

green

blue

indigo

violet

EM Spectrum

HIGH

ENERGY

LOW

ENERGY


Em spectrum2
EM Spectrum

  • Frequency & wavelength are inversely proportional

c = 

c: speed of light (3.00  108 m/s)

: wavelength (m)

: frequency (Hz or s-1)


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