# Wave Behavior Review

## Quiz by Brianca Noble

Science
Georgia Standards of Excellence

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7 questions
• Q1

An echo is an example of sound wave

interference

diffraction

reflection

refraction

30s
• Q2

Refraction occurs when a wave changes its

frequency

color

intensity

speed

30s
• Q3

When considering light moving through a diffraction grating, you should treat the light as

neither a particle nor a wave

both a particle and a wave.

a particle

a wave

30s
• Q4

A magnifying glass or hand lens is a bi-convex lens. It is convex on both sides, meaning that the glass is curved outward to form a dome. Things look bigger looking through convex lenses. When light passes through the lens, it is bent or _______.

reflected

refracted

conducted

absorbed

30s
• Q5

The beam of a light spreads out after leaving the flashlight. The beam grows wider and wider. This is best explained by

diffraction

reflection

interference

refraction

30s
• Q6

A student is given an assignment to demonstrate diffraction. He takes a photograph of a straw in a glass of water. The straw appears bent at the water level. Which best describes this example?

This is an example of dispersion and not diffraction

This is a good example of diffraction

This is an example of refraction and not diffraction

This is an example of reflection and not diffraction.

30s
• Q7

When sunlight strikes oil on the surface of water, a variety of colors are observed. What is the best explanation for this observation?

Oil reflects the light and the lens of our eyes break it into component colors.

The visible spectra of white light travel at different speeds. reaching the oil separately so we see the component colors

The components of white lights are refracted at different angles due to their various wavelengths.

Oil has a very high index of refraction, trapping and reflecting the visible spectrum.

30s

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