U4 Day 4 (Reflection, Refraction, Diffraction & Interference)

Front

What is the term for the bending of light as it passes from one medium to another?

Back

Refraction

Front

What happens to the speed of a wave when it transitions from one medium to another?

Back

The speed may change.

Front

What is the condition for two waves to undergo constructive interference?

Back

They must be in phase.

Front

What is the phenomenon called when light waves bounce off a surface?

Back

Reflection

Front

What natural phenomenon is created when water droplets refract and diffract sunlight?

Back

A rainbow.

Front

What is the term for the spreading of waves as they pass through a narrow opening or around obstacles?

Back

Diffraction.

Front

What is the principle that describes the superposition of waves?

Back

The principle of superposition states that when two or more waves overlap, the resulting wave is the sum of the individual waves.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light waves from a surface, while refraction is the bending of light as it passes from one medium to another.

Front

What is the critical angle in the context of refraction?

Back

The critical angle is the angle of incidence above which total internal reflection occurs.

Front

What is the term for the change in direction of a wave due to a change in its speed?

Back

Refraction.