If a beam of light with an angle of incidence

[samrifai13]

Homework Statement

The maximum depth of Lake Baikal, in Russia, is 1780.7 m, making it the world’s deepest freshwater lake. If a beam of light with an angle of incidence of 59.42o enters the water from the air, what is the horizontal distance between the point where the light enters the water and the point where it strikes the lake’s bottom?

Homework Equations

The Attempt at a Solution

 

[BruceW]

hi samrifai13! welcome to physicsforums. How far have you got in the question? If you don't post your working so far, we don't know how to help.