Problem 2E
You can determine wind direction by wetting your finger and holding it up in the air. Explain.
Step-by-Step Solution:
Solution 2E Step 1 : Yes, by holding up wet finger in the air , the direction of the wind can determined This can be determined by the side of the finger, the cooler side of the finger is the direction at which wind is blowing Step 2 : When we raise a wet finger in air , the wind tries to evaporate the water the from the finger As result of this the evaporation the temperature of the finger changes , initially it is cold finger dipped in water, as the wind touches, it gets cooler, further it is warm and drys the finger
Step 3 of 3
