Physics, asked by thangarajdevi1978, 2 months ago

define umbra please ​

Answers

Answered by Anonymous
21

Answer:

Umbra, that part of a shadow in which all light from a given source is excluded

Answered by ashi200695
2

Answer:

the fully shaded inner region of a shadow cast by an opaque object, especially the area on the earth or moon experiencing the total phase of an eclipse.

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