2) (i.) How long does it take light to travel through a 3.0-mm-thick piece of window glass, assuming theglass has an index of refraction ofn= 1.50?  (ii.) Through what thickness of water (whose index of refraction isn= 1.33) could light travel in thesame amount of time? (iii.) how long (innanoseconds) does it take light to travel 1.0min a vacuum? (iv.) What distance does light travel in water (n= 1.33), glass (n= 1.50), and diamond (n= 2.42) duringthe time that it travels 1.0min a vacuum? (v.) A 5-ft-tall girl stands on level ground. The sun is 25oabove the horizon. How long is her shadow (infeet)?

College Physics
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ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
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Chapter25: Geometric Optics
Section: Chapter Questions
Problem 16PE: Figure 25.54 shows a ray of light passing from one medium into a second and then a third. Show that...
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(i.) How long does it take light to travel through a 3.0-mm-thick piece of window glass, assuming theglass has an index of refraction ofn= 1.50? 

(ii.) Through what thickness of water (whose index of refraction isn= 1.33) could light travel in thesame amount of time?

(iii.) how long (innanoseconds) does it take light to travel 1.0min a vacuum?

(iv.) What distance does light travel in water (n= 1.33), glass (n= 1.50), and diamond (n= 2.42) duringthe time that it travels 1.0min a vacuum?

(v.) A 5-ft-tall girl stands on level ground. The sun is 25oabove the horizon. How long is her shadow (infeet)?

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