A bulb is placed at depth of 2 7 m in water and a floating

Last updated: 6/27/2023

A bulb is placed at depth of 2 7 m in water and a floating opaque disc is placed over the bulb so that bulb does not appear visible from the surface The minimum radius of the disc is w 4 3 06m O 2 7m O 4 9 m 12 m