OpenSciEd 6.1 - Lesson 4 - How is a one-way mirror made?

What is added to the back of the glass to make a regular mirror?

• A layer of paint

• A layer of plastic

• A thick layer of smooth metal

• A thin layer of silver

What is the process of adding a metal layer to the back of a mirror called?

• Painting

• Silvering

• Coating

• Glazing

What is the purpose of the paint layer behind the silver layer in a regular mirror?

• To make the mirror transparent

• To protect the back of the mirror

• To add color to the mirror

• To make the mirror lighter

What is a one-way mirror made of?

• A thick layer of silver

• A thin layer of one-way mirror film and glass or plastic

• A painted layer and glass

• A thick layer of aluminum

What is the appearance of the film in a one-way mirror?

• Fully silvered

• Half-silvered

• Completely transparent

• Opaque

Why is the silver layer in a one-way mirror so thin?

• To make it opaque

• To allow some light to pass through

• To make it heavier

• To make it more reflective

What is the main difference between a regular mirror and a one-way mirror?

• The thickness of the glass

• The type of metal used

• The thickness of the silver layer

• The presence of a paint layer

What is the role of impurities in the glass of a regular mirror?

• To make it more reflective

• To prevent light from passing through

• To add color to the mirror

• To make it lighter

What happens to light when it hits a one-way mirror?

• All light is reflected.

• All light is absorbed.

• Some light is transmitted, and some is reflected.

• All light passes through.

Tags

NGSS.MS-PS4-2

What material is used to cover parts of the glass in a one-way mirror?

• Gold

• Silver

• Copper

• Aluminum

Tags

NGSS.HS-PS4-3