colour

Question 1

What happens when white light hits a prism or a raindrop?

Answer 1

It gets dispersed into a full rainbow call a spectrum

Question 2

What is the frequency of light?

Answer 2

Number of complete waves that pass a point per second

Question 3

When do light waves increase in the frequency in a spectrum?

Answer 3

From red (low frequency)
To violet (high frequency)

Question 4

What happens to the other colours after only a particular colour of light to go through the filter?

Answer 4

All other colours are absorbed by the filter so they don’t get through

Question 5

All white objects ……… all colours
All black objects ………. all colours

Answer 5

All white objects reflect all colours
All black objects absorb all colours