am of light is emitted in a pool of water (nwater = 1.33) from a depth of 86.0 cm. At what minimum distance must it strike the air-water interface, relative to the spot on the surface

A laser beam is incident at an angle of 30.2° to the vertical onto a solution of corn syrup in water. (a) If the beam is refracted to 19.14° 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 in the solution. nm(c) Find its frequency in the solution. Hz(d) Find its speed in the solution. m/s

The critical angle for an air-glass interface is  29.4°. When a light ray in air is incident on the interface, the reflected ray is 100% polarized. What is the angle of refraction of that ray in degrees?  (numerical answer only with 3 sig figs please)

A plane sound wave in air at 20°C, with wavelength 589 mm, is incident on a smooth surface of water at 25°C at an angle of incidence of 12.3°. (a) Determine the angle of refraction for the sound wave. (b). Determine, the wavelength of the sound in water. Enter a number with units. A narrow beam of sodium yellow light, with wavelength 589 nm in vacuum, is incident from air onto a smooth water surface at an angle of incidence of 12.3o. (c) Determine the angle of refraction. (d) Determine the wavelength of the light in water.