WBCS.LIVE practice question

The spectrum of color in Compact Disc (CD) is due to

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Refraction
  2. Reflection
  3. Diffraction
  4. Polarization

Correct answer and explanation

Correct answer: Diffraction

Explanation: āœ… Correct Answer: C. Diffraction šŸ“š Explanation: The beautiful rainbow-like colors seen on the surface of a Compact Disc (CD) are caused by the phenomenon of 'diffraction'. The disc has billions of microscopic pits that act like a diffraction grating. When light hits these tiny ridges, it bends and splits into different wavelengths. This creates the colorful patterns that change as you tilt the disc under a light source.