Reflection & Refraction

Front

What phenomenon causes a straw in a glass of water to appear bent?

Back

Refraction of light.

Tags

NGSS.MS-PS4-2

Front

What is the process called when light bounces off a surface?

Back

Reflection.

Tags

NGSS.MS-PS4-2

Front

What do we call the substance that allows light to pass through it?

Back

Medium.

Tags

NGSS.MS-PS4-2

Front

What is the angle of incidence in reflection?

Back

The angle between the incident ray and the normal line.

Tags

NGSS.MS-PS4-2

Front

What is the angle of reflection?

Back

The angle between the reflected ray and the normal line.

Tags

NGSS.MS-PS4-2

Front

What happens to light when it passes from air into water?

Back

It bends due to refraction.

Tags

NGSS.MS-PS4-2

Front

What is total internal reflection?

Back

The phenomenon where light is completely reflected within a medium when it hits the boundary at a certain angle.

Tags

NGSS.MS-PS4-2

Front

What is the critical angle in optics?

Back

The minimum angle of incidence at which total internal reflection occurs.

Tags

NGSS.MS-PS4-2

Front

How does the speed of light change when it enters a denser medium?

Back

The speed of light decreases.

Tags

NGSS.MS-PS4-2

Front

What is the law of reflection?

Back

The angle of incidence is equal to the angle of reflection.

Tags

NGSS.MS-PS4-2