Live relationshipn1sinθ1=n2sinθ2n_1\sin\theta_1 = n_2\sin\theta_2
Optics bench. Incident angle at 10.2 °. Incident side 0.18 , Exit side 0.7 . Currently incident side is short by 0.528.OPTICS BENCHTUNINGOBJECTCONVEX LENSFOCAL PLANE

Incident side

0.18

Exit side

0.7

10.2 °

Optics bench. Incident angle at 10.2 °. Incident side 0.18 , Exit side 0.7 . Currently incident side is short by 0.528.

Narrative feed

You are called to a laser survey line entering a flooded tunnel.

The beam must leave the water at 32° to hit the far marker. Water is 1.33, air is 1.00, and the incoming angle is wrong.