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What is the critical angle for the interface between water and crown glass? To be internally reflected, the light must start in which material?

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

$\theta_c = 61.0^\circ$. Start in the crown glass.

Giancoli 7th Edition, Chapter 23, Problem 35


Chapter 23, Problem 35 is solved.

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