5 Questions
What is a source of light?
An object that emits light, like the sun or a torch.
Define non-luminous objects.
Objects that do not emit light by themselves but become visible when light falls on them.
What is a ray of light?
A straight thin beam of light from a source to an object.
Explain what an obstacle is in the context of light.
An object that obstructs the path of light.
Describe the formation of a shadow.
Opaque objects create dark shadows when light is blocked by them and falls on a screen.
Test your knowledge on light sources, non-luminous objects, rays of light, obstacles, and the formation of shadows. Learn about different objects and their interaction with light.
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