Question

Q1. State any one difference between a luminous and a non-luminous object with one example of each.

Answer 1

Objects that can emit light energy by themselves are known as luminous objects. The luminous objects are visible as they emit light on their own. The non-luminous objects are visible because of luminous objects. The sun and candle are the two examples.

Answer 2

Luminous object

the objects which have their own light i.e. they can produce their own light is called luminous object.

Example : sun, star, tube light, etc.

Non - Luminous object

the objects which cannot produce their own light i.e. they do not have their own light called Non luminous object.

Example : moon, human beings, table, etc.

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