Question

Rain gauge is used to measure the amount of rainfall and it should be placed in an open space so that ___________________.

• A. Rain should not enter into it from the ground
• B. 30 Cm above the ground level
• C. The run-off from buildings or trees should not enter the funnel
• D. All the above conditions are needed

Answer 1

The correct option is D All the above conditions are needed

• A rain gauge is a little cylindrical container that collects rainwater falling into it to measure the rainfall during a particular period.
• Certain conditions are needed to be fulfilled for accurate measurement of rainfall viz water should not enter into the rain gauge from any source other than direct rainfall and the rain gauge instrument has to be kept at a certain height.