Question

3. (a) what is meant by a luminous object? Name luminous objects.

Answer 1

Answer:

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Explanation:

Objects that have their own light i.e., objects that emit light of their own are known as luminous objects. 2 luminous objects are- stars and sun. The sun and the stars have their own light. A light bulb is also luminous.

Answer 2

Answer:

When an object emits its own light, it is called as luminous object. It is its own source of light and heat. Luminous objects are responsible for our vision as the light from these objects is reflected by non-luminous object and everything is visible to our eyes.