Reflection & Refraction

Front

What is the phenomenon called when light changes direction as it passes from one medium to another?

Back

Refraction

Tags

NGSS.MS-PS4-2

Front

What is the term for the bouncing back of light when it hits a surface?

Back

Reflection

Tags

NGSS.MS-PS4-2

Front

When light travels from air into water, what happens to its speed?

Back

It decreases.

Tags

NGSS.MS-PS4-2

Front

What is the angle called between the incident ray and the normal line at the point of incidence?

Back

Angle of incidence

Tags

NGSS.MS-PS4-2

Front

What is the angle called between the refracted ray and the normal line?

Back

Angle of refraction

Tags

NGSS.MS-PS4-2

Front

What law describes the relationship between the angles of incidence and refraction?

Back

Snell's Law

Tags

NGSS.MS-PS4-2

Front

What is the critical angle in the context of refraction?

Back

The angle of incidence that results in an angle of refraction of 90 degrees.

Front

What happens to light when it hits a mirror?

Back

It reflects.

Tags

NGSS.MS-PS4-2

Front

What is total internal reflection?

Back

The complete reflection of light back into a medium when it hits the boundary at an angle greater than the critical angle.

Tags

NGSS.MS-PS4-2

Front

What is the refractive index?

Back

A measure of how much the speed of light is reduced in a medium compared to vacuum.

Tags

NGSS.MS-PS4-2