33. Geometric Optics

Which of the following objects does not separate white light into the colors of the visible spectrum?

When white light is refracted by a prism, what phenomenon is primarily observed?

When white light passes through a prism, which color bends the most due to refraction?

What is the critical angle for total internal reflection at the interface between glass with refractive index $n=1.90$ and ice with refractive index $n=1.31$?

According to the principles of refraction, the explanation for refraction must involve a change in which of the following properties as light passes from one medium to another?

When a ray of light passes from air into water at an angle, which of the following describes what happens to the direction of the ray according to $Snell’sLaw$?

When a light wave passes from one medium to another and undergoes refraction, how does its speed change in relation to the refractive indices of the two media ($n$)?

Under which condition is the angle at which a ray of light enters a glass block different from the angle at which it exits the block (relative to the normal)?

Under which condition does the refraction of light occur as it passes from one medium to another?

When a straw is partially submerged in water, why does it appear bent at the water's surface?

When a ray of green light passes from air into a slab of ice, what happens to the light as it enters the ice?

Which of the following best describes the refraction of light and the conditions under which it occurs?

Which of the following best explains what causes the refraction of light when it passes from one medium to another?

An optical fiber consists of a core made of flint glass $n=1.66$ and cladding made of crown glass $n=1.52$. What is the critical angle for total internal reflection at the core-cladding interface?

When observing a fish underwater from above the surface, what causes the fish’s position to appear shifted from its actual location?