Question

Define non - luminous objects. How is it possible to see non - luminous objects?​

Answer 1

Answer:

Non-luminous objects are the objects that do not have their own source of light energy and hence they cannot emit light and are not responsible for vision. These objects can only be visible due to luminous objects.

Explanation:

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Answer 2

Answer:

Explanation:

Luminous objects  

1.Objects that can emit light energy by themselves are known as luminous objects.  

2.These objects can cause a sensation of light.  

3.The luminous objects are visible as they emit light on their own.  

4.The sun and candle are two examples.

Non luminous object

1.Objects that cannot emit light energy by themselves are known as non-luminous objects.

2.These objects do not cause the sensation of light.

3.The non-luminous objects are visible because of luminous objects.

4.The moon and planets are two  examples.