Unit 8 Vocab

The bouncing back of a wave from a surface:

• Refraction

• Reflection

• Diffraction

• Interference

The bending of a wave as it passes from one medium to another:

• Reflection

• Refraction

• Diffraction

• Red Shift

The spreading of waves around obstacles:

• Interference

• Polarized light

• Diffraction

• Standing wave

The net effect of waves arriving at the same point at the same time:

• Doppler Effect

• Reflection

• Interference

• Real image

The increase or decrease in wave frequency due to motion of the source or observer:

• Diffraction

• Refraction

• Doppler Effect

• Angle of Incidence

The phenomenon where light shifts toward longer wavelengths as objects in space move away:

• Blue Shift

• Red Shift

• Polarized Light

• Virtual Image

The phenomenon where light shifts toward shorter wavelengths as objects move closer:

• Red Shift

• Polarized Light

• Blue Shift

• Diffraction

A wave that appears to stay in place due to the interference of two waves:

• Standing wave

• Ray

• Real image

• Refraction

A ray that strikes a surface:

• Reflected ray

• Incident ray

• Ray diagram

• Light ray

A ray that is thrown back from a surface:

• Reflected ray

• Incident ray

• Plane wave

• Polarized ray