Why is a penumbra not obtained from a point source?
Answers
Answered by
17
Answer:
tex] \huge \purple {\tt {\underbrace {\overbrace {\ulcorner {\mid {\overline {\underline {Question:}}}}}}}} [/tex]
A "penumbra" is that region around the umbra where the shadow is only partial, or imperfect. You get these when the light source is larger than a single point. These form because while some of the light from the source gets blocked by the shadowing object, not all of it does.
Similar questions