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- 1. Multiple Choice
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?
Air is denser than glass
Water is denser than glass
Glass is denser than water
Air is denser than water
- 2. Multiple ChoiceWhat type of stuff can be refracted? Choose the best answer.Lightsoundheatanything that travels in waves
- 3. Multiple ChoiceLight refracts when:it Changes speedit changes from a particle to a waveits density changesit encounters a solid object
- 4. Multiple ChoiceWhy does white light from the sun form a colorful rainbow when it passes through water droplets in the atmosphere?the droplets of water in the air have different densitiesThe colors that make up white light refract at different angles
- 5. Multiple ChoiceWhich of the following is the best example of diffraction?Your voice echoing back when you shout into a canyonA straw appearing to bend when you place it in a glass of water
- 6. Multiple ChoiceDiffraction is useful in which of the following fields?calculusAnthropologyAstronomy
- 7. Multiple ChoiceWhat's an easy way to create an interference pattern of waves?Toss two pebbles into the water close to each other; the waves from each pebble will interfere with the othershine a light onto a black surface; the dark color will interfere with the transmission of light
- 8. Multiple ChoiceBlue light bends more than red light when it passes through glass. Thus blue light has a greater:Angle of refractioninterference patternindex of diffractionwavelength
- 9. Multiple ChoiceWhat is the main difference between refraction and diffraction?refraction is a phenomenon that affects light; diffraction is a phenomenon that affects soundrefraction involves the bending of light; diffraction involves the bending and spreading of light, usually around an obstacle
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