Question: A laser beam strikes one end of a slab of material, as shown in Figure P35.55. The index of refraction of the slab is 1.48.

A laser beam strikes one end of a slab of material, as shown in Figure P35.55. The index of refraction of the slab is 1.48. Determine the number of internal reflections of the beam before it emerges from the opposite end of the slab.

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