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Differentiate between umbra and penumbra.

Asked by Topperlearning User 19th August 2015, 7:36 AM
Answered by Expert

Umbra Penumbra
It is the region of total darkness in the shadow. It is the region of partial darkness in the shadow.
The ray of light enters in umbra region. Some rays of light enter in penumbra region.
Umbra is surrounded by penumbra. Penumbra surrounds the umbra.
Answered by Expert 19th August 2015, 9:36 AM
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