Question

What are anemometer and wind vane ?

Answer 1

Anemometers measure wind speed and wind vanes measure wind direction. A typical wind vane has a pointer in front and fins in back. When the wind is blowing, the wind vane points into the wind. ... The entrapped air in the conical cups causes rotation of the shaft, enabling to measure the speed

Answer 2

abnemometer= is the instrument used to measure the wind speed.
wind sock=it is used in airports to knoe wind direction.