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  • An air bubble in water will act as a __________.
Multiple choice

An air bubble in water will act as a __________.

  1. convex mirror

  2. convex lens

  3. concave mirror

  4. concave lens

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

An air bubble in water acts as a concave lens because the refractive index of water is higher than that of air, causing light rays to diverge as they pass through the bubble.

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