Saved Bookmarks
| 1. |
Two beaker contain hot water of the same temperature one beaker is placed in anotehr beaker containing cold water and the other breaker in fornt ofa rotating fan .It is observed that the beaker placed infront fan cools faster .explain the reason |
| Answer» Solution :The beaker which is placed in front of a rotating FAN wil cool first when the beaker is ein water the cold water absorbs heat but when it is in FONT of a rotatingfan the heat tranfer is due to forced convection of air .Heat TRANSFER RATE is more in forced convection so the beaker placed in front of a rotating fan COOLS faster | |