mixing the three primary colors of light. passing the light through a prism. passing the light through a colored filter. using a translucent material to filter the light.
I gave my students this multiple choice question: White light can be separated into all of its component colors by

Only one answer is correct among these 4 choices:
- mixing the three primary colors of light.
- passing the light through a prism.
- passing the light through a colored filter.
- using a translucent material to filter the light.

Could you tell me which one is correct?

passing the light through a prism.