Allied & ICAR Exam Bank • ALLIED_2454 MCQ • 2 Marks

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

An extended light source (like the Sun) illuminates an opaque spherical body. The region of total shadow where all direct light is blocked is called the:

Options:

  • (A) Umbra
  • (B) Penumbra
  • (C) Antumbra
  • (D) Corona

Answer Key:

A

Step-by-Step Solution & Explanation

The umbra is the darkest innermost region of the shadow where the light source is completely occluded by the obstructing body.
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