Multiple choice general knowledge science & technology

The partly lighted area of a shadow on the periphery of the totally shaded portion is called the _______

  1. Umbra

  2. penumbra

  3. eclipse

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The penumbra is the partially shaded region at the edge of a shadow where only part of the light source is blocked. The umbra is the completely dark center where all light is blocked. An eclipse is when one celestial body passes through another's shadow.

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