Interference and Diffraction of Waves

Review: What is it called when a wave bounces off an object?

• Reflection

• Refraction

• Diffraction

Tags

NGSS.MS-PS4-2

What is a general definition of wave interference?

• When a wave bounces off an object

• When more than on wave meet and interact in the same medium

• When a wave bends around a corner

• When a wave creates static

When 2 waves meet on the same medium, how do they interact?

• They bounce off one another

• They travel through one another

• They refract off one another

What type of interference is being shown in the picture?

• Constructive

• Destructive

What type of interference is occurring in the picture?

• Constructive

• Destructive

When 2 waves meet and create a bigger wave

• Constructive Interference

• Destructive Interference

Tags

NGSS.HS-PS4-5

When two waves meet and create a smaller wave

• Constructive

• Destructive

From video: When waves consistently interfere with one another on a string or slinky, then a pattern of waves may form. What are these types of waves called?

• Interference waves

• Standing waves

• Sitting waves

• Reflection waves