SNC2P - Properties of Light, Colour theory

You can see through water because ---

• it's opaque
• it's translucent 
• it's transparent
• it's wet

Luminous means...

• Gives out its own light
• Reflects light from other things

A material that reflects or absorbs all of the light that strikes it is called which of the following? 

• Transparent
• Translucent
• Diffuse
• Opaque

What three things may happen to light that strikes an object? 

• The light may be reflected, transmitted or absorbed.
• The light may be reflected and refracted.
• The light may be absorbed and transmitted.

Which type of visible light has the highest energy?

• Red
• Yellow
• Green
• Violet

Which has the longest wavelength?

• Gamma Rays

• Visible Light

• Microwaves

• Radiowaves

What electromagnetic wave has a lower frequency than X rays but shorter wavelength than visible light?

• Radio
• Microwave
• Gamma rays
• Ultraviolet

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

• absorbed
• stopped
• reflected
• refracted

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

• equal
• double
• half

How does light travel

• It curves around corners
• Really slow
• In a straight line
• In circles