Holi a glass slab at one end with your hand and stand in sunlight she the Shadows of your hand and glass slab explain what you observed
Answers
On your way to school, you can see so many things around you, you see the buildings, car, trees, scooters and many more. Have you ever imagined how can you see these things? What enables us to see things around us?
During the day we get sufficient amount of light from the sun and so we can see the objects clearly. But when you enter a dark room, will you be able to see the objects around you? NO! Because there is no light present there.
Yes, we can see things in dark only when we switch ON the light. We can see the chairs, table, T.V, utensils and everything around you. Light is one of the important things that is required to see objects around us. It is the source of invisible energy which gives us the sensation of sight.
The different types of light we see around us is the light from sunlight, light from the bulbs, torch, the traffic lights, the light from the candle, light from the laser and many more. These are different from one another but helps us to view things around us. Not all the objects can produce lights. Such objects are categorized into two types.