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Suppose you have a laser pointer which you use to illuminate the dust particle inside a...

Suppose you have a laser pointer which you use to illuminate the dust particle inside a water tank made of a 10 cm-thick glass wall whose index of refraction is 1.5. If the beam of light in air strikes the surface of the glass wall at an angle of 57.0° with respect to the normal. Determine the direction of the beam in the water.

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