Q21
The darkest part of the shadow during eclipse is
A.
Halo
B.
Umbra
AnswerC.
Penumbra
D.
Black Hole
Answer: Option B
Solution
Answer: Option B
Solution:
The umbra (Latin for "shadow") is the innermost and darkest part of a shadow, where the light source is completely blocked by the occluding body. An observer in the umbra experiences a total eclipse.