Light Energy - Reflection and Refraction

The light we can see forms which part of the electromagnetic spectrum?

• Infrared

• Ultraviolet

• Visible

• Radio

The Law of Reflection is

Angle of Incidence = Angle of Reflection

• True

• Flase

Identify the line labelled "a"

• reflection ray

• incident ray

• angle of reflection

• normal

Identify the line that is 90 degrees to a plane mirror

• incident ray

• reflection ray

• normal

• average

If angle "c" was 45 degrees, what would angle "d" be?

• 45 degrees

• 55 degrees

• 90 degrees

• 35 degrees

The surfaces of most objects are quite rough when viewed up close. These surfaces reflect or _______ light in many directions, and do not form an image.

• scatter

• reflection

• clear

• mirror

In which medium will light travel the slowest?

• ruby

• diamond

• vegetable oil

• air

Which medium has the smallest index of refraction: glass or pure water?

• glass

• pure water

If light moved from air into a diamond, what would happen to the speed of light?

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Answer explanation

The speed of light would slow down as it is moving to a medium with a greater index of refraction.

The bending of light through different mediums

• reflection

• opaque

• absorption

• refraction