What Is the Frequency (V, in Hz) of the Photons $\lambda$

question 131

Multiple Choice

What is the frequency (v, in Hz) of the photons emitted by a He-Ne laser with a wavelength ( $\lambda$ ) of 632.8 nm?

• A) 4.738 * 10⁵ Hz
• B) 1.897 * 10² Hz
• C) 1.897 *10¹¹ Hz
• D) 4.738 * 10¹⁴ Hz
• E) 1.897 * 10¹⁴ Hz

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