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Class 7
Chapter 8 Class 7 - Measurement of Time and Motion (Curiosity)

Water Clocks - Two Types

Last updated at May 4, 2026 by

Water clocks measure time using the flow of water.

  • Water flowing-out type
    Water flows out from a vessel with markings.
    The falling water level shows how much time has passed.
  • Floating bowl type (Ghatika-yantra)
    A bowl with a small hole is placed on water.
    It slowly fills up and sinks in a fixed time.
    It is then lifted and floated again.
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