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Equations and constants:
E-hf and E-hc/λ
c=^f c/λ = f
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WI
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A
E-energy of one photon with a frequency of v
c= speed of light = 3.0 x 108 m/s (meters per second)
h = Planck's constant = 6.63 x 10-34 J-s
λ = wavelength in meters.
f = frequency in Hz (waves/s or 1/s or s-¹)
1. A wave oscillates with a speed of 11.5m/s and has a wavelength of 5.2m. What is the
frequency of the wave?

Equations and constants Ehf and Ehcλ cf cλ f gt WI A Eenergy of one photon with a frequency of v c speed of light 30 x 108 ms meters per second h Plancks consta class=


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