If the speed of light in a vacuum is approximately 3 x 10^8 m/s, what is the wav

Practice Questions

Q1
If the speed of light in a vacuum is approximately 3 x 10^8 m/s, what is the wavelength of light with a frequency of 6 x 10^14 Hz?
  1. 500 nm
  2. 600 nm
  3. 700 nm
  4. 800 nm

Questions & Step-by-Step Solutions

If the speed of light in a vacuum is approximately 3 x 10^8 m/s, what is the wavelength of light with a frequency of 6 x 10^14 Hz?
  • Step 1: Understand the formula c = fλ, where c is the speed of light, f is the frequency, and λ is the wavelength.
  • Step 2: Identify the values given in the question: c = 3 x 10^8 m/s and f = 6 x 10^14 Hz.
  • Step 3: Rearrange the formula to solve for wavelength (λ): λ = c / f.
  • Step 4: Substitute the values into the formula: λ = (3 x 10^8 m/s) / (6 x 10^14 Hz).
  • Step 5: Perform the division: λ = 0.5 x 10^-6 m (which is the same as 500 nm).
  • Step 6: Convert the result to nanometers if needed: 1 meter = 1 x 10^9 nanometers, so 0.5 x 10^-6 m = 500 nm.
  • Wave-Particle Duality – Understanding the relationship between frequency, wavelength, and the speed of light.
  • Formula Application – Applying the formula c = fλ to calculate wavelength from frequency and speed of light.
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