P403 - Light and Colour

What is the primary colour of light that is a combination of red and blue?

• White
• Cyan
• Yellow
• Magenta

What is the primary colour of light that has the middle frequency?

• Violet
• Blue
• Green
• Red

What is the process called when coloured filters subtract light?

• Reflection
• Absorption
• Refraction
• Scattering

What is the most common type of colour blindness?

• Blue-yellow colour blindness
• Red-green colour blindness
• Black-white colour blindness
• Purple-orange colour blindness

How do primary colours combine to form secondary colours?

• They subtract from each other
• They reflect off each other
• They add together
• They mix together

What is the primary colour of light that is a combination of green and blue?

• White
• Cyan
• Magenta
• Yellow

What is the primary colour of light that has the highest frequency?

• Blue
• Violet
• Green
• Red

What is the primary colour of light with the longest wavelength?

• Violet
• Green
• Red
• Blue

What is the primary colour of light that has the lowest frequency?

• Red
• Green
• Blue
• Violet

What is the primary colour of light that is a combination of red and green?

• Cyan
• Magenta
• Yellow
• White