Year 9- Light

what type of wave does light move in?

• squiggly one

• electric

• magentic

• electromagnetic

an electromagnetic wave has two things (choose 2)

• frequency

• wavelength

• ups

• downs

light does not require a medium to move through

• true

• false

when light hits a surface three things can happen. select the one INCORRECT answer.

• transmitted through

• reflected off

• absorbed into

• convection

an object that is transparent allows light to pass through it. Select the one below that is transparent.

• glass

• brick

• car

• timber

translucent means...

• all light easily passes through

• no light passes through

• light is absorbed

• some scattered light passes through

something that is opaque reflects or absorbs light energy. select which answer is NOT opaque.

• window

• brick

• desk

• football

something that is luminous ...

• releases light

• absorbs light

• reflects light

what statement is UNTRUE about the difference between regular and diffuse reflections?

• difference in image created.

• due to surface differences altered image created

• one produces a clear image, the other does not

• one is not reflection

the law of reflection is the angle a reflected ray makes with the normal.

• true

• false