A light ray enters a rectangular block of plastic at an angle θ1=45.0^∘ and emerges at an angle

Name: A light ray enters a rectangular block of plastic at an angle θ1=45.0^∘ and emerges at an angle θ2=76.0^∘, as shown in Figure P22.57. (a) Determine the index of refraction of the plastic. (b) If the light ray enters the plastic at a point L=50.0 cm from the bottom edge, how long does it take the light ray to travel through the plastic?
Uploaded: 2023-07-12T20:59:37-08:00
Duration: 2 min 13 s
Channel: Timothy James
Description: A light ray enters a rectangular block of plastic at an angle θ1=45.0^∘ and emerges at an angle θ2=76.0^∘, as shown in Figure P22.57. (a) Determine the index of refraction of the plastic. (b) If the light ray enters the plastic at a point L=50.0 cm from the bottom edge, how long does it take the light ray to travel through the plastic?

First, we need to find the angle of refraction inside the plastic. We can use Snell's Law for th

Question

A light ray enters a rectangular block of plastic at an angle $\theta_{1}=45.0^{\circ}$ and emerges at an angle $\theta_{2}=76.0^{\circ}$, as shown in Figure P22.57. (a) Determine the index of refraction of the plastic. (b) If the light ray enters the plastic at a point $L=50.0 \mathrm{~cm}$ from the bottom edge, how long does it take the light ray to travel through the plastic?

          A light ray enters a rectangular block of plastic at an angle $\theta_{1}=45.0^{\circ}$ and emerges at an angle $\theta_{2}=76.0^{\circ}$, as shown in Figure P22.57. (a) Determine the index of refraction of the plastic. (b) If the light ray enters the plastic at a point $L=50.0 \mathrm{~cm}$ from the bottom edge, how long does it take the light ray to travel through the plastic?

Added by Dawn R.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Timothy James

07/12/2023

Step 1

We can use Snell's Law for this: $n_1 \sin{\theta_1} = n_2 \sin{\theta_2}$ where $n_1$ is the index of refraction of air (which is approximately 1), $\theta_1$ is the angle of incidence, $n_2$ is the index of refraction of the plastic, and $\theta_2$ is the Show more…

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A light ray enters a rectangular block of plastic at an angle $ heta_{1}=45.0^{circ}$ and emerges at an angle $ heta_{2}=76.0^{circ}$, as shown in Figure P22.57. (a) Determine the index of refraction of the plastic. (b) If the light ray enters the plastic at a point $L=50.0 mathrm{~cm}$ from the bottom edge, how long does it take the light ray to travel through the plastic?