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Chrome File Edit View History Bookmarks People Window Help Mastering Physics: HW13 Secure https Sessio mastering physi cs.com/ 78495823 Physics 2200 New HW 13 Exercise 33.9 Master in Exercise 33.9 O My Cour Part A Light traveling in air is incident on the surface of a Find the speed of light in the plastic. Course block of plastic at an angle of 63.4 to the normal use 3.00x108 m/s for the speed of light in a vacuum. and is bent so that it makes a 48.8 angle with the Syllabus normal in the plastic. Assign Scores Course Submit My Answers Give Up eText Student S Manual Study Ar User Set pdf 2docx.zip 25%, D Sat 9:25 PM E Help Close Resources k previous I 2 of 5 l next Provide Feedback Continue Show All X

Explanation / Answer

theta1 = 63.4 theta2 = 48.8

Refractive index of plastic = sin(theta1)/sin(theta2)

= sin(63.4)/sin(48.8)

= 0.894/0.752

= 1.1888

The speed of light in plastic be v

c/v = 1.1888

c = 3*10^8 m/s

v = (3*10^8)/1.1888

v = 252355316.28 m/s

v = 2.52*10^8 m/s

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