Question

Light have various properties. Due to property 'X' of light, we do have eclipses. If light does not have property 'X', then there would be no shadows. Property 'X' of light is ________.
(1) Light reflects back
(2) Light travels in straight line
(3) All objects do not give us light
(4) None of these

Answer 1

Answer:

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Answer 2

Answer:

Simply speaking, a shadow is an absence of light. If light cannot get through an object, the surface on the other side of that object (for example, the ground or a wall) will have less light reaching it. A shadow is not a reflection, even though it is often the same shape as the object.

Explanation:

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