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Luminous objects such as flashlights emit light that we can see. How do we see an object that isn’t luminous?
The object emits light that reaches our eyes.
Light reflects off the object and reaches our eyes.
Light passes through the object uninterrupted.
Light is fully absorbed by the object.
We can’t see an object that isn’t luminous.

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MissPhiladelphia
I  think the correct answer from the choices listed above is the second option. 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. Hope this answers the question. Have a nice day.

The correct answer is option B

The objects that allows the light to radiated from its body is called as luminous object. Whenever any light ray falls on any object it gets reflected back to the to the eyes of the observer. The light falls off the object that is not luminous and gets reflected back into the eyes of the observer. This makes the object visible to the people.