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A laser beam is incident at an angle of 42.0° to the vertical onto a solution of corn syrup in water.

(a) If the beam is refracted to 21.84° to the vertical, what is the index of refraction of the syrup solution?

___

(b) Suppose the light is red, with wavelength 632.8 nm in a vacuum. Find its wavelength.

___nm

___Hz

(d) What is its speed in the solution?

___m/s

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