Light and Reflection

Which diagram represents specular reflection?

• A

• B

Tags

NGSS.MS-PS4-2

Which diagram represents diffuse reflection?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

If the angle of incidence in the diagram is 80°, the angle of reflection will be:

• 10°

• 100°

• 90°

• 80°

Tags

NGSS.MS-PS4-2

What is the angle of the incidence ray and what is the angle of the reflecting ray?

• Incidence ray: 90 deg

• Incidence ray: 20 deg

• Incidence ray: 30 deg

• Reflecting ray: 30 deg

• Reflecting ray: 90 deg

Tags

NGSS.MS-PS4-2

Draw how an incident ray of light would interact with this prism

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

What property of light does the prism show best?

Tags

NGSS.MS-PS4-2

light rays reflecting off of this type of concave mirror always converge to a single spot (focus/focal point)

Tags

NGSS.MS-PS4-2

We see shadows because light travels in a __________________ line.

• curved

• straight

• rainbow

The darkest part of a shadow, where no light rays reach, is called the

• total eclipse

• spot of totality

• penumbra

• umbra

The imaginary line perpendicular to a reflecting surface is called _____.

• crooked line

• parallel line

• angular line

• normal line

Tags

NGSS.MS-PS4-2