A Diver,below the Surface of a Lake,notices That No Light $\theta$

question 54

Multiple Choice

A diver,below the surface of a lake,notices that no light appears to be coming toward her greater than the angle $\theta$ ,measured from the vertical.If the index of refraction of water is 1.33,what is the angle $\theta$ ?

• A) 30\(^{\circ}\)
• B) 34\(^{\circ}\)
• C) 37\(^{\circ}\)
• D) 49\(^{\circ}\)
• E) 54\(^{\circ}\)

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