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A ray in the emission spectrum has a wavelength of 3.10 x 1014 meters. Given that the speed of light is 2.998 x 108 m/s, what is the frequency of the ray?

User Thiagowfx
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5 votes
how long it takes like . the time of speed
User Panos Spiliotis
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it is the time of speed multiply the time by speed 
User Geekt
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