Filters Affecting Light

The two categories of waves are

• Mechanical

• Physical

• Electromagnetic

• Love

The way in which electric and magnetic forces interact

• Electromagnetic
• Spectrum
• Wavelength
• Prism

Tags

NGSS.MS-PS2-3

A Polarizing filter is used to reduce glare on reflective surfaces including glass, windows, and water.

• True

• False

Tags

NGSS.MS-PS4-2

Polarizing filters need to be pointed at a

• left angle to the sun for maximum effect.

• perpendicular to the sun for maximum effect.

• right angle to the sun for maximum effect.

• Away from the sun for maximum effect.

Which color(s) does this filter transmit?

• No colors are transmitted.

• All colors but green

• Only green

Tags

NGSS.MS-PS4-1

Which color will transmit through the filter?

• Red only

• Blue and Violet

• Green

• All colors

Tags

NGSS.MS-PS4-2

Why won't the red filter allow the other colors to transmit?

• Because they reflect off of the filter.

• Because only red can transmit through a red filter.

• Because red has the longest wavelength.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

If an object appears black when looking through a green filter, what color would it have to be?

• Green

• White

• Blue

Tags

NGSS.MS-PS4-2

If an object appears blue when looking through a blue filter, what color could it be?

• Green

• Red

• Black

• White

Approximately how much light is blocked by a single polarizing filter?

• 0%

• 50%

• 75%

• 100%

Tags

NGSS.MS-PS4-2