visible light and colour

Question 1

eyes

Answer 1

only detect small part of electromagnetic spectrum.
Range of wavelength as different colours.
Has own narrow range of wavelengths from voilets up to red.

Question 2

white light

Answer 2

mixture of all different colours of light

Question 3

Opaque

Answer 3

Do not transmit light. when visible light hit, absorb some wavelengths of light and reflect others.
Colour depends on which wavelength of colour it reflected on

Question 4

black objects

Answer 4

absorb all wavelengths of visible light. See black as lack of any visible light.

Question 5

transparent and translucent

Answer 5

transmit light, not all light that hits surface of object is absorbed or reflected, some can pass through.