InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
76.An opaque sphere of radius R lies on a horizontal plane. On the perpendicular through the point of contact there is a point source of light at distance R above the sphere. The area of the shadow on the plane is ? And = 3R |
| Answer» 76.An opaque sphere of radius R lies on a horizontal plane. On the perpendicular through the point of contact there is a point source of light at distance R above the sphere. The area of the shadow on the plane is ? And = 3R | |