Sources of Light
Sources of Light: Overview
This Topic covers sub-topics such as Light, Non-luminous Objects, Luminous Objects, Sources of light, Natural Sources of Light, Artificial Sources of Light, Point Source of Light, Extended Source of Light, Cold Sources of Light and, Hot Sources of Light
Important Questions on Sources of Light
How many rays emanate from a point of object?
What is an artificial source of light? Give some examples also.
Write some examples of sources of light.
Give some examples of some non-luminous objects.
The Sun is an example of cold sources of light.
What do you mean by cold sources of light?
An extended source of light can produce shadow.
What is extended source of light?
Point sources will not have any measurable dimensions to their shape.
What is point source of light?
Incandescent lamps is an hot source of light.
What are hot sources of light?
What are natural luminous objects?
What are luminous objects? Give some examples.
List some natural sources of light.
Which one of the following is the natural source of light?
Which objects emit their own light?
What is the speed of light in vacuum?
An artificial source of light is -
_____ can travel through vacuum.
