denise830 denise830

10-03-2021
Chemistry

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3. A helium laser emits light with a wavelength of 6.33 x 10^-7m. What is
the frequency of the light? *
2.11 X10^15 Hz
O 4.74 x 10^14 Hz
O 18.99 Hz
N

Respuesta :

drpelezo drpelezo

11-03-2021

Answer:

4.52 x 10¹⁴ cycles/s

Explanation:

From c = f·λ => f = c/λ = (3.0 x 10⁸ m/s)/(6.63 x 10⁻⁷m) = 4.52 x 10¹⁴ cycles/s.

f = frequency = ?

λ = wavelength = 6.63 x 10⁻⁷ meter

c = speed of light in vacuum = 3.0 x 10⁸ meters/s

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