Short Answer
Total internal reflection: A ray of light traveling in air strikes the surface of a certain plastic slab at 63.0° with respect to the normal in air. It travels in the plastic slab at a 30.6° angle with respect to the normal. Find the critical angle for the plastic in air.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q81: Lens-maker's formula: In the figure, the radius
Q82: Camera: The focal length of a thin
Q83: Lens-maker's formula: A double-convex thin lens is
Q84: Thin lenses: A convex lens has focal
Q85: Eyes: What is the focal length of
Q87: Refraction at a curved surface: A goldfish
Q88: Eyes: What power contact lens must be
Q89: Dispersion: A beam of light of two
Q90: Snell's law: In the figure, a laser
Q91: Lens-maker's formula: A compound lens is made