Question

We can see a non-luminous object when light:

• A. emitted by the object falls on the eye.
• B. is reflected from the object towards our eye.
• C. completely passes through the object
• D. gets completely absorbed by the object.

Answer 1

The correct option is B

is reflected from the object towards our eye.

Explanation for correct option:

Non luminous objects:

1. Non-luminous objects are those object that does not produce its own light.
2. Non-luminous objects do not cause the sensation of light.
3. The non-luminous objects are visible because of luminous objects.
4. We see a non luminous objects due to reflection of light.
5. Light gets reflected from the objects towards our eye.
6. For example- moon, planets , and spoons

Hence, the correct option is (B).

Explanation for incorrect option:

1. Non-luminous objects do not have their own source of light energy, So they cannot emit light and are not responsible for vision.
2. Light cannot completely passes through the non luminous object.

Hence, options (A), (C), and (D) are incorrect.