Visible light and colour

• Name the 3 different ways light can pass through an object

  Absorb. Transmit. Reflect
• What happens when light hits an opaque object?

  Dont transmit light -> absorb and reflect some wavelengths of light
• What determines the colour we see an object?

  The wavelengths that's most strongly reflected
• Describe why we see a red bottle as red.

  All the wavelengths of light but red have been absorbed. RED -> REFLECTED
• Name primary and secondary colours.

  Red, blue, green + Cyan, yellow, magenta
• How do colour filters work?

  Absorb certain wavelengths and transmit others