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 … [Read more...] about Light and Shadow
Light Shadows and Reflection
Reflections
Question 1 What is meant by reflection of light? Question 2 Define the term incident rays and reflected ray? Question 3 What is a mirror? Question 4 State the difference between real images and virtual images? Question 5 What is a periscope? Question 6 Explain the working and construction of periscope? Question 7 List few uses of periscope? Question 8 Why … [Read more...] about Reflections