8.7 THE ADDITION AND SUBTRACTION OF COLOURED LIGHT

8.7 THE ADDITION AND SUBTRACTION OF COLOURED LIGHT

by KASMAWATI Moe

Multiple Choice

Only allow the light of the same colour to pass through, light of other colours are absorbed.

• Primary colour filters

• Secondary colour filters

Multiple Choice

Which of the following is NOT a primary color of light?

• Red

• Blue

• Yellow

• Green

Multiple Select

White light is shined through a magenta filter. Which of the following will be BLOCKED by the filter? (choose all that apply)

• Red

• Blue

• Green

• Magenta

Multiple Choice

A white light is shined through a cyan filter, and then a magenta filter. What color will appear?

• blue

• green

• red

• black

Multiple Choice

A white light is shined through a cyan filter, and then a yellow filter. What color will appear?

• blue

• green

• red

• black

Multiple Select

Which of the following filters could be used together to block out all light?

• Blue

• Magenta

• Red

Multiple Choice

A white light shined through a red filter is shined toward a blank space. If a green light is also shined on that space, what color will result?

• yellow

• magenta

• cyan

• red

• green

Multiple Select

Which two filters could be combined to make a white light appear red?

• blue

• cyan

• magenta

• yellow

• green

Multiple Choice

How does light behave when hitting this shirt?

• Yellow is absorbed; all other colors are reflected.

• Yellow is reflected; all other colors are absorbed.

• All colors are absorbed, but yellow is refracted.

• Yellow is scattered and all other colors are absorbed.

Multiple Choice

How will this object appear when looking at it through a blue filter?

• Blue

• Green

• Black

• Orange

Multiple Choice

Which color(s) does this filter transmit?

• No colors are transmitted.

• All colors but green

• Only green

Multiple Choice

Which color will transmit through the filter?

• Red only

• Blue and Violet

• Green

• All colors

Multiple Choice

Which of these colours of light has the longest wavelength?

• green

• blue

• red

• yellow

Multiple Select

Magenta light is a mix of which two colours?

• red

• green

• blue

Multiple Choice

What colours is white light made from?

• Orange, Green, Pink, Magenta, Peach, Rose, Lemon

• Red, Orange Yellow, Green, Black, Indigo, Violet

• Red, Orange, Yellow, Green, Blue, Indigo, Violet

• Red, Orange, Yellow, Grey, Blue, Indigo, Violet

Multiple Choice

Which pair of colours do NOT combine to make the correct secondary colours?

• Red + Blue = Magenta

• Red + Green = Yellow

• Blue + Green = Cyan

• Red + Yellow = Green

Multiple Select

Why does this the t-shirt appear red and the shorts appear blue? Choose the correct statements.

• The t-shirt reflects red light.

• The t-shirt reflects blue light

• The shorts absorb yellow light

• The shorts reflect blue light

• Other colours are absorbed

Multiple Select

In the additive colour mixing, select the secondary colours.

• Yellow

• White

• Magenta

• Cyan

Multiple Select

Which colour combinations produce yellow?

• Red and Cyan

• Cyan and Magenta

• Red and Blue

• Red and Green

Multiple Choice

Red objects appear 'red' because:

• red objects are made from red materials
• red objects absorb red light
• red objects absorb all other colour except red light
• red objects don't reflect any light

Multiple Choice

Which color reflects all light?

• White
• Black
• Orange 
• Green

Multiple Choice

Which color absorbs all light?

• White
• Black
• Orange
• Green

Multiple Choice

When a blue and red spotlight are shined on actor wearing white ghost costume, what color does the audience see?

• cyan

• magenta

• yellow

• violet

• green

Multiple Choice

A white light is shined through a blue filter, and then a yellow filter. What color will appear?

• blue

• green

• red

• black

Multiple Choice

A magenta light and a green light are shined in the same space. What color will they form?

• Red

• Cyan

• Yellow

• Blue

• White

Multiple Choice

If you see a green leaf on a tree, that means...

• Green is the color being reflected off the leaf.

• Green is the color being absorbed by the leaf.

• All the colors are being reflected off the leaf.

• All the colors are being absorbed by the leaf.