What Is the Frequency of Light Emitted by a Helium-Neon

question 23

Multiple Choice

What is the frequency of light emitted by a helium-neon laser with a wavelength of 632.8 nm and a speed of 3 × 10⁸ m\s?

• A)4.74 × 10¹⁴ s ^{− 1}
• B)4.74 × 10⁵ s ^{− 1}
• C)1.58 × 10 ^{− 3} s ^{− 1}
• D)2.11 × 10 ^{− 15} s ^{− 1}
• E)1.58 × 10 ^{− 15} s ^{− 1}

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