Q 5
Question

The shadow of a ball is formed on a wall by placing the ball in front of a fixed torch as shown in Fig. 11.18. In scenario (i) the ball is closer to the torch, while in scenario (ii) the ball is closer to the wall. Choose the most accurate representation of the shadows formed in both scenarios from the options provided (a and b).

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Answer
Scenario (i) gives a larger shadow; scenario (ii) gives a smaller shadow.

Explanation

  • When the ball is closer to the torch, the shadow is larger.
  • When the ball is closer to the wall, the shadow is smaller.
  • So scenario (i) shows the bigger shadow (option a).
  • Scenario (ii) shows the smaller shadow (option b).
Nearer the torch means a bigger shadow; nearer the wall means a smaller one.
← Back to concept: 11.4 Shadow Formation
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