A light ray enters a rectangular block of plastic at an angle of 0, = 44.0° and emerges at an angle of 0, = 73.0° as shown in the figure below. (a) Determine the index of refraction of the plastic. 1.18 (b) If the light ray enters the plastic at a point L = 50.0 cm from the bottom edge, what time interval is required for the light ray to travel through the plastic? 2.06e-9 What is the length of the path traveled by the light inside the plastic block? ns

A light ray enters a rectangular block of plastic at an angle of 0, = 44.0° and emerges at an angle of 0, = 73.0° as shown in the figure below. (a) Determine the index of refraction of the plastic. 1.18 (b) If the light ray enters the plastic at a point L = 50.0 cm from the bottom edge, what time interval is required for the light ray to travel through the plastic? 2.06e-9 What is the length of the path traveled by the light inside the plastic block? ns