Question

If we place an opaque object between a point source of light and a screen,a shadow of the obstacle is formed on the screen,then we will observe?

Answer 1

No light reaches within the geometrical shadow of the obstacle at the screen?

Answer 2

2: Outside the geometrical shadow the screen is uniformly illuminated
3:Light reaches within the geometrical shadow of the obstacle at the screen

Answer 3

@electrokid

Answer 4

unless they have taught you about "diffraction" then you have the answer from the diagram.

Answer 5

2 and 3 seems correct to me now!

Answer 6

no. the other way. the region where no light reaches is called as "shadow"

Answer 7

So 1? No light reaches?

Answer 8

confused :(