Absorption & reflection of visible light

When all light is absorbed by an object, it will appear

• black

• white

• translucent

The reflected colour of the leaf in this ray diagram is _____

The protective front covering of the eye that is completely transparent is the ...

• Retina

• Cornea

• Optic nerve

• Lens

Which of the following diagrams shows light that is reflected off a rough surface?

• Diagram A

• Diagram B

• Both diagram A & B

Provide the correct term for the following definition: When a light ray approaches a smooth polished surface and the light ray bounces back. _________

Name the colour of visible light that has the highest frequency and therefore shortest wavelength as well

TRUE OR FALSE

In regular reflection, the angle of incidence is equal to the angle of reflection

Identify the angle of reflection

• X

• Y

Calculate the angle of incidence.

• 40 degrees

• 55 degrees

• 50 degrees

• 60 degrees

Refraction allows white light to disperse (spread out) into its 7 colours when passed through a triangular glass prism. During refraction, which of the following happens to light? (select all that apply)

• light bends or changes direction when it enters a different medium

• Light changes speed when it enters a different medium

• light continues the same direction as it enters a new medium