Question:

Rainfall is measured by:

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Rainfall is measured by a rain gauge and is generally expressed in millimetres.
Updated On: May 18, 2026
  • Rain gauge
  • Moisture meter
  • Neutron probe
  • SPAD
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The Correct Option is A

Solution and Explanation

Concept:
Rainfall is the amount of precipitation received over a particular area during a given period of time. It is usually measured in millimetres.

Step 1: Identify the required parameter.

The question asks about the instrument used to measure rainfall. \[ \text{Parameter}=\text{Rainfall} \]

Step 2: Identify the correct instrument.

Rainfall is measured by using a rain gauge. \[ \text{Rainfall} \rightarrow \text{Rain gauge} \]

Step 3: Eliminate other options.

Moisture meter is used for measuring moisture.
Neutron probe is used for measuring soil moisture.
SPAD meter is used for measuring leaf chlorophyll content. \[ \therefore \text{Correct Answer is (A)} \]
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