Multiple choice

It is very difficult to see during a fog because ________.

  1. Refraction of light

  2. Reflection of light

  3. Scattering of light

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Fog consists of tiny water droplets that scatter light. Because the size of these droplets is comparable to the wavelength of visible light, they scatter all colors, making it difficult to see through.