33. Geometric Optics

Which of the following structures is not responsible for the refraction of $\mathrm{light}$?

Why is light refracted when it passes from air into water?

Why does $\text{white light}$ create a rainbow when it passes through a $\text{prism}$?

A fish is at a real depth $d$ below the surface of water (refractive index $n$). When viewed from directly above (normal incidence), what is the apparent depth of the fish as seen by an observer in air?

What effect does a prism have on $\text{white light}$ when it passes through it?

A person standing waist-deep in a swimming pool appears to have short legs because of the refraction of light. Which of the following best explains this phenomenon?

Which of the following best explains how $Snell’s$ law is used in designing lenses for optical devices?

When light passes from air into water, which of the following correctly describes what happens to its speed and direction according to $Snel’sLaw$?

When light passes from one material into another material with a higher index of refraction ($n$), which of the following occurs to the direction of the light ray relative to the normal?

What is the basic reason for the refraction of light when it passes from one medium to another?

When light enters a pair of glasses, it ______________ when it hits the glass.

When a wave travels from air into the ocean, which type of wave will slow down as it enters the water?

When a ray of light passes from air into water at an angle, which of the following correctly describes the change in its direction according to $Snell Law$?

When light is completely transmitted through an object, which of the following best describes the behavior of the light?

When a parallel beam of light passes through a convex lens, what happens to the light rays after emerging from the lens?