PDF chapter test TRY NOW

A burning candle in water:
 
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Candle burning in water
  1. Take a shoe box, open on one side.
  2. Place a small lighted candle in it.
  3. Place a clear glass sheet (roughly \(25\ cm\ ×\ 25\ cm\)) in front of this candle.
  4. Try to locate the image of the candle behind the glass sheet.
  5. Place a glass of water at its position.
  6. Ask your friends to look at the image of the candle through the sheet of glass.
  7. Ensure that candle is not visible to your friends.
Your friends will be surprised to see the candle burning in water. Try to explain the reason.
 
It is visible like a candle burning in water because a sheet of glass is a . Hence, the image of the burning candle is formed the sheet.