Question 15
Use a darkened room, a torch, white paper, red, green and blue cellophane, elastic bands and objects of various colours (e.g. a red apple, a green leaf, a blue book and a black shoe).
Work in groups. Before you start, predict the observed colour of each object under white, red, blue and green light.
Work in groups. Before you start, predict the observed colour of each object under white, red, blue and green light.
