"Richard Of York Gave Battle In Vain" is an acronym. What does it stand for?

Is white light a single colour?

What is the difference in black and white objects in relation to reflection?

What colour does blue and red make?

What colour does red and magenta light make?

What colour does Blue and Magenta make?

What does red and green light make?

What colour does red and yellow light make?

What colour does green and yellow light make?

What colour does green and blue make?

Green and cyan light and blue and cyan light both make the same colour. What colour is this?

Yellow and Cyan make....

What colour does magenta and yellow light make?

What colour does Cyan and Magenta light make?

Filters only let one colour go through. What happens to all the other colours of light?

A Magenta light through a red filter will show a red light. Why is this?

A red fliter followed by a blue filter will not show any light. Why is this?

A blue t-shirt with red decoration looks like a black t-shirt with red decoration in red light. Why is this?