Colours of Light

What are the three primary colours of light?

• Red,Yellow,Blue
• Red,Green,Yellow
• Red,Green,Blue
• Yellow,Blue,Green

Primary colors of light can combine to make

• black light
• white light
• primary pigments
• ultraviolet light

How do you make a secondary color?

• Mixing primary colors together
• Mixing secondary colors together
• Mixing primary and secondary colors together
• Mixing the complementary colors together

Which color has the highest frequency?

• Blue
• Green
• Red
• Orange

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

An object appears red because it

• reflects light waves of all colors
• reflects light waves of red
• absorbs light waves of red
• transmits light waves of all colors

What are the actual colors of the rainbow?

• ROYGVIB
• ROYGBV
• ROYGBIV
• ROYGCB

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

• Red + Blue = Magenta
• Blue + Green = Yellow
• Blue + Green = Cyan
• Red + Green = Yellow

Which color has the longest wavelength?

• Blue
• Green
• Red
• Yellow

The color that we perceive an object has depends on the 

• The light that is reflected by the object.
• The light that is absorbed by the object.
• The light that is transmitted by the object.
• The light that is created by the object.

Which is true of a green grape?

• It absorbs green light.
• It absorbs white light.
• It reflects green light.
• It reflects white light.