Recent content by Hello2016

Hey I am not sure how i should use x in the geometry

Oh so like tan sin and cos?

Homework Statement [/B] I know that the depth is 30 cm , the apprared depth to the observer is 15 cm. But how am i going to use snells law to get the refracted and incident angle when i have no idea what the index of refraction is for n2 liquid? ?Homework Equations N1sin1=n2sin2 The Attempt at...