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A laser used in eye surgery to fuse detached retinas produces radiation with a wavelength of 6.4 x 10^-7 m. What is the frequency of the laser?
Speed of light = 3.00 x 10^8 m/s

(Hint: Remember to round your answer to the lowest number of significant figures.)


(Speed of light) / (Wavelength) = Frequency

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A laser used in eye surgery to fuse detached retinas produces radiation with a wavelength of 64 x 107 m What is the frequency of the laser Speed of light 300 x class=

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Answer:

ν ≈ 4.7 × 10¹⁴ Hz

General Formulas and Concepts:

Chem

Speed of Light = Wavelength times Frequency

  • c = λν
  • c = 3.0 × 10⁸ m/s

Explanation:

Step 1: Define

λ = 6.4 × 10⁻⁷ m

Step 2: Solve for ν

3.0 × 10⁸ = 6.4 × 10⁻⁷ · ν

ν = 4.6875 × 10¹⁴ Hz

Step 3: Check

We are given 2 sig figs. Follow sig fig rules.

4.6875 × 10¹⁴ Hz ≈ 4.7 × 10¹⁴ Hz

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