Advertisements
Advertisements
प्रश्न
Why is a penumbra not obtained from a point source?
लघु उत्तरीय
Advertisements
उत्तर
We do not obtain penumbra from a point source because all the light rays falling on the shadowing object are completely blocked by it. This is illustrated in the figure below.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
