Why are we able to sip hot tea or milk faster from a saucer rather than a cup?
[question] Question Why are we able to sip hot tea or milk faster from a saucer rather than a cup? [/question] [solution] Solution Tea in a saucer has larger surface area than in a cup. The rate of evaporation is faster with increased surface area. The cooling of tea in saucer takes place sooner than in a cup. Hence we are able to sip hot tea or milk faster from a saucer rather than a cup. [/solution]...
Why does a desert cooler cool better on a hot dry day?
[question] Question Why does a desert cooler cool better on a hot dry day? [/question] [solution] Solution The outer walls of the cooler get sprinkled by water constantly. This water evaporates due to hot dry weather. Evaporation causes cooling of inside air of cooler. This cool air is sent in the room by the fan. [/solution]...