The region of complete darkness in a shadow
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The Umbra is the innermost and darkest part of a shadow, where light source is completely blocked by an external body.
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- Umbra
Given :
- The region of complete darkness in a shadow is called ?
The region of complete darkness in a shadow is called umbra
More Explanation :
- Umbra is the complete dark region of a shadow
- Umbra is a region partial of completely darkness
- Where no light rays reach after phenomenon or diffraction
- The region of total darkness is known as penumbra
- Umbra and penumbra are the two regions in a shadow
- Umbra is total shadow
- The region of complete darkness in a shadow is known as umbra
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