🥈Light and Waves Test Practice🥈

What happens to light when it passes through water?

• light is absorbed by water

• light is refracted at an angle

• light's speed increases

• light's color changes

The color spectrum of light consists of how many primary colors?

• 5

• 3

• 7

• 9

Material that allows some light to pass through but does not allow you to see "clearly" to the other side

• opaque

• translucent

• transparent

A brick wall is an example of what type of material. 

• transparent

• translucent

• opaque

In which medium does light travel the slowest?

• vacuum

• air

• water

• dense objects

What is true about a red apple?

• It absorbs red light.

• It absorbs white light.

• It reflects red light.

• It reflects white light.

What happens to light when it strikes a non-transparent material?

• The light completely penetrates the material.

• The light is entirely absorbed by the material.

• The light is partially absorbed and partially reflected.

• The light is completely reflected by the material.

What characteristic of a wave is denoted by the distance between two consecutive crests?

• amplitude

• frequency

• wavelength

• period

What aspect of a wave is indicated by the term "A"?

• frequency

• peak

• valley

• wavelength

The number of complete oscillations that occur in one second is called:

• amplitude

• wavelength

• frequency

• velocity