Advertisements
Advertisements
प्रश्न
Explain the difference:
Umbra and penumbra.
फरक स्पष्ट करा
स्पष्ट करा
उत्तर
| Umbra | Penumbra |
| It is the part of the shadow where all of the light from the source is blocked by the shadowing object. | It is the region around the umbra where the light from the source is partially blocked by the shadowing object. |
| The umbra is obtained from a point source as well as an extended source of light. | The penumbra is obtained only from an extended source of light. |
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
