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Question
Explain the difference:
Umbra and penumbra.
Distinguish Between
Explain
Solution
| 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. |
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