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The sharpness of the boundary of the shadow of an object is determined by the

Physics
JAMB 2005

The sharpness of the boundary of the shadow of an object is determined by the

  • A. intensity of light striking the object
  • B. rays of light passing through the object
  • C. nature of the object
  • D. opacity of the object
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Correct Answer: Option A
Explanation

The characteristics of a shadow are dependent on the intensity of the light source. A hard light will produce a shadow with a sharp edge, a soft light will produce a shadow with a more blurry edge.

There is an explanation video available below.

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Explanation Video

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