Refraction and Diffraction Flashcard

Front

A beam of light bends when it passes from air into water, and more when it passes from water into glass. What can you conclude from this fact?

Back

Glass is denser than water

Front

What type of stuff can be refracted?

Back

anything that travels in waves

Front

When does light refract?

Back

it Changes speed

Front

Why does white light from the sun form a colorful rainbow when it passes through water droplets in the atmosphere?

Back

The colors that make up white light refract at different angles

Front

Which of the following is the best example of diffraction?

Back

Your voice echoing back when you shout into a canyon

Front

Diffraction is useful in which of the following fields? Options: calculus, Anthropology, Astronomy

Back

Astronomy

Front

What's an easy way to create an interference pattern of waves?

Back

Toss two pebbles into the water close to each other; the waves from each pebble will interfere with the other.

Front

What color has the longest wavelength?

Back

Red

Front

What is the main difference between Refraction and Reflection?

Back

Refraction involves the bending of light; reflection involves the bouncing back of light off of a surface.

Front

Which phenomenon explains why a pencil appears bent when placed in a glass of water?

Back

Refraction