Coloured filters

What are the three primary colours of light?

• Blue

• Green

• Yellow

• Red

Can secondary colours be split into other colours?

• Yes

• No

• Sometimes

Choose three secondary colours of light from below

• Green

• Cyan

• Yellow

• Magenta

Blue objects appear blue because the objects _______ blue light.

What colour would a white cup appear in darkness?​

• Black
• White
• Gray

A red filter absorbs all colours of light except __

• blue

• green

• yellow

• red

A green filter transmits only __ light

• blue

• green

• yellow

• red

All the colours except __ are absorbed as light passes through a blue filter.

• blue

• green

• yellow

• red

A red book looks __ when we shine blue light onto it.

• blue

• black

• red

When white light shines on these filters, __ will emerge.

• blue

• white

• no light

• magenta