Question 1 Name the most important source of light on Earth? Question 2 What are natural sources of light.Give example? Question 3 What are luminous objects.Give example? Question 4 What are non-luminous objects.Give example? Question 5 What are man-made sources of light.Give example? Question 6 What are transparent materials.Give examples? Question 7 what are … [Read more...] about Light and Shadow