Multiple choice general knowledge

Upto what depth sunlight can penetrate into clean ocean water ?

  1. 170 feet

  2. 240 feet

  3. 260 feet

  4. 360 feet

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

In clear ocean water, sunlight can penetrate to approximately 240 feet (about 73 meters). Beyond this depth, water absorption and scattering prevent significant light transmission, creating the darkness of the deep ocean zone.