JAMB - Physics (2006 - No. 8)
A drop of petrol makes a finger colder than a drop of water would because?
petrol takes its latent heat of veporization from the finger
petrol takes its latent heat of fusion from the finger
water is more viscious than petrol
water has higher surface tension dan petrol
解释
This process occurs as the petrol evaporates, drawing heat away from the skin and causing a cooling sensation.