Question

give an activity to show that seven colour to show that seven colour can be mixed to get a white colour​

Answer 1

Answer:

take a prism reflect seven light in that then you can see that prism make the seven light into white light

Answer 2

Circular wheel experiment

Explanation:

If all the seven colours are alligned on a wheel and when we rotate the wheel, then we get a white light. From this we can prove that seven colours mix to form a white light