Question

How we are able to see non luminous objects​

Answer 1

In order for us to see an object that is non-luminous, it must reflect some of the light it receives from a luminous source, such as the Sun.

When light falls on an opaque object, it is reflected by the object and the light enters our eyes. Thus, we are able to see non luminous objects. The bodies which don't emit light by their own, but the become visible (or shine ) by the light falling on them from luminous body , are fallen non luminous Bodies.

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Answer 2

Answer:

reflection of light fall in that object.....when it reaches to air eyes , it is captured by retina(real and inverted image ) which further reflect it to form virtual and erect image