Question

which property of light makes a pencil cast a shadow when it is held in front of a light source

Answer 1

opaqueness because it does not let light to pass through it

Answer 2

Answer:

Hey, don't worry here is your answer

Explanation:

One property of light that makes a pencil cast a shadow when it is held in front of it is that light travels in a straight line.

Also, pencil doesn't let the light to pass through it.