COLOURS SPECTRUM

Question 1

What happens when white light passes through a triangular glass prism ?

Answer 1

Refraction (bending of light through different mediums ) causes it to be spread out into a band of colours

Question 2

What are these band of colours called

Answer 2

A spectrum

Question 3

White light is made up of how many colours ?

Answer 3

7 colours

Question 4

Name these 7 colour that White light is made up of.

Answer 4

Red ,orange ,yellow , green , blue , indigo and violet

ROY-G-BIV

Question 5

Each of the seven colours have 3 different things . Name theses things

Answer 5

Each of the seven colours have a different WAVE-LENGTH , FREQUENCY AND ENERGY

Question 6

What kind of WAVE-LENGTH , FREQUENCY AND ENERGY will colours closer to red have

Answer 6

low FREQUENCY
low ENERGY
long WAVE-LENGTH

Question 7

What kind of WAVE-LENGTH , FREQUENCY AND ENERGY will colours closer to violet have

Answer 7

high FREQUENCY
high ENERGY
short WAVE-LENGTH

Question 8

what colours is on the other side of red

Answer 8

infra red (IR)
INVISBLE TO HUMAN EYE