Reflection, Refraction & Diffraction

what is diffraction

• is a soild liquid gass

• is a beam of light that is spread out and passes through an object

• a beam of light

Tags

NGSS.MS-PS4-2

A wave of constant wavelength diffracts as it passes through an opening in a barrier. As the size of the opening is increased, the diffraction effects

• decrease

• increase

• remain the same

This image is representing what wave interaction?

• Refraction
• Diffraction
• Reflection
• Interference

Tags

NGSS.MS-PS4-2

What happens to the frequency of a wave as it passes through a gap？

• Increases

• Decreases

• No change

• None of above

Tags

NGSS.HS-PS4-1

What is the main difference between refraction and diffraction?

• refraction is a phenomenon that affects light; diffraction is a phenomenon that affects sound
• refraction involves the bending of light; diffraction involves the bending and spreading of light, usually around an obstacle

Tags

NGSS.MS-PS4-2

What would you call this?

• Reflection

• Diffraction

• Refraction

• Friction

Tags

NGSS.MS-PS4-2

The bending of light rounds the corners of an obstacle is called

• Diffraction

• Interference

• Polarization

• Refraction

Which diagram best represents the shape and direction of a series of wave fronts after they have passed through a small opening in a barrier?

• 
• 
• 
• 

Tags

NGSS.MS-PS4-2

Diagram below shows water waves propagating in an area of different depths.

Which of the following diagrams shows the propagation of the waves correctly?

• 
• 
• 
• 

Tags

NGSS.HS-PS4-1

Diagram below shows water waves passing a block of rock in a river.

Which phenomenon explains the propagation of waves at X?

• Reflection

• Refraction

• Diffraction

• Interference

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2