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Light travels in straight lines. In which of the following is this principle ...

Light travels in straight lines. In which of the following is this principle manifested? I. Pinhole camera II Formation of shadows III. Diffraction of light IV. Occurrence of eclipse
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  • A I and III only
  • B II and III only
  • C I, II and III only
  • D I, II and IV only
  • E I, II, III and IV
Correct Answer: Option E
Explanation:

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