Q: Polarization of Light & Malus's Law (ICS)

The production of light with a specific pattern of oscillation.

• reflection

• polarization

• refraction

• diffraction

Tags

NGSS.HS-PS4-3

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

• True

• False

Tags

NGSS.MS-PS4-2

A polarizer is used to:

• reduce intensity of light

• produce polarized light

• increase intensity of light

• produce unpolarized light

Approximately how much light is blocked by two polarizing filters that are perpendicular to each other?

• 0%

• 50%

• 75%

• 100%

Tags

NGSS.HS-PS4-3

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

• 0%

• 50%

• 75%

• 100%

Tags

NGSS.HS-PS4-5

Polarized light of intensity I₀ is incident on a polarising filter. The angle between the plane of polarisation of the incident light and the transmission plane of the polariser is θ. Which graph shows how the intensity I of the light transmitted through the polariser varies with θ?

• A

• B

• C

• D

If a polarizer is placed in a beam of nonpolarized light, only the components of the waves in the .......................direction as the polarizing axis can pass through .

• same

• different

• perpendicular

Tags

NGSS.HS-PS4-5

If the polarizing axis of the second filter is parallel to

that of the first, the light will .............

• pass through it

• block

• reflect

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Two polarizing filters are set up so the transmitted light is at a maximum intensity.

Through which angle should polariser 2 be rotated so that no light is transmitted?

• 45º

• 60º

• 90º

• 180º

•An initially unpolarized light of intensity Io is incident to a polarizer. The transmitted light then goes through an analyzer that makes a 30 angle with the axis of the initial polarizer. In terms of Io, what is the intensity of the light transmitted through the analyzer?

• 0 Io

• 0.33 Io

• 0.5 Io

• 0.375 Io