Visible light travels at a speed 3.0 * 108 of m/s. If red light has a wavelength of 6.5 * 10-7 m, what the frequency of this light?

Question

Chemistry

Ingrid Hines

12 September, 08:43

Visible light travels at a speed 3.0 * 108 of m/s. If red light has a wavelength of 6.5 * 10-7 m, what the frequency of this light?

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Answers (2)

Know the Answer?

Joyce · Answer 1

Hi! How are you? I believe the answer is 4.6 x 10 ^ 14.

Miah · Answer 2

Wave length and frequency have an inverse relationship versus C, celerity of light:

Frequency = (C m/s) / (Wave length m)

Frequency = 3 x 10⁸ / (6.5 x 10⁻⁷)

Frequency = (3/6.5) x 10¹⁵ = 0.4615 x 10⁻¹⁵ = 4.615 x 10⁻14 second