Reflection and Refraction

Front

What is the phenomenon called when light bends as it passes through different mediums?

Back

Refraction

Tags

NGSS.MS-PS4-2

Front

What causes the lower part of a child to appear different in size when viewed through water?

Back

The refraction of light rays traveling from water to air.

Tags

NGSS.MS-PS4-2

Front

What effect does a hand lens have on light passing through it?

Back

It refracts the light, making the image appear larger.

Front

What is the term for the bouncing back of light when it strikes an object?

Back

Reflection

Tags

NGSS.MS-PS4-2

Front

What travels in a straight line until its path is altered?

Back

Light

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Front

What is the index of refraction?

Back

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

Tags

NGSS.MS-PS4-2

Front

What happens to light when it enters a denser medium?

Back

It slows down and bends towards the normal line.

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 critical angle in optics?

Back

The angle of incidence above which total internal reflection occurs.

Tags

NGSS.MS-PS4-2

Front

How does the angle of incidence relate to the angle of refraction?

Back

According to Snell's Law, the ratio of the sines of the angles is constant and depends on the indices of refraction of the two media.