Total internal reflection can occur when a light ray moves across a boundary between different materials in which direction?
A. From a material with a slower speed of light to a material with a faster speed of light
B. From the material with the faster speed of light, into the material with the slower speed of light
C. Parallel to the surface, but only if the ray is polarized
D. Exactly perpendicular to the surface, no matter what the indices of refraction
Answer: A
You might also like to view...
The seasonal polar caps on Mars, which grow and shrink over the year, are primarily carbon dioxide
Indicate whether the statement is true or false
A 100-kg box is placed on a ramp. As one end of the ramp is raised, the box begins to move downward just as the angle of inclination reaches 25°. What is the coefficient of static friction between box and ramp?
a. 0.15 c. 0.47 b. 0.27 d. 0.95
A light ray, traveling parallel to the axis of a convex thin lens, strikes the lens near its midpoint. After traveling through the lens, this ray emerges traveling obliquely to the axis of the lens
A) such that it never crosses the axis. B) crossing the axis at a point equal to twice the focal length. C) crossing the axis at a point equal to one-half the focal length. D) passing between the lens and its focal point. E) passing through its focal point.
The names of the seven days of the week are based on
A) the names of the seven planets closest to the Sun. B) the seven most prominent constellations in the summer sky. C) the names of prophets in the Bible. D) the seven naked-eye objects that appear to move among the constellations.