Question
Rain Gauge.

Answer

  • The instrument that is used to measure rainfall is called rain gauge.
  • The funnel that is used for measuring rain has a specific diameter. The rain falling in this funnel is collected in a bottle fitted in the gauge.
  • The collected water is then measured with the help of measuring jar. The measuring jar reads in millimetres.
  • In areas of heavy rainfall, the reading of the rain is taken every three hours.
  • The gauge is kept on open ground on a 30cm flat-mount. Hence, the rainwater is collected without any obstruction.

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