JAMB - Geography (2017 - No. 27)
One of the following instruments is used in measuring the direction of wind
Cup anenometer
barometer
wind anenometer
wind vane
คำอธิบาย
Cup anenometer is an instrument used for measuring the direction of the speed of wind
Barometer is used to measure air pressure and predicting changes in the weather
Wind vane is used to indicate the direction of the wind.
Barometer is used to measure air pressure and predicting changes in the weather
Wind vane is used to indicate the direction of the wind.