Tag: transfer of heat
Questions Related to transfer of heat
Which of the following fabrics is preferred for winter garments ?
Which of the following is not a reason for using woolen clothes in Winter ?
How does air trapped by the woolen fabric help ?
When a metal conductor connected to left gap of a meter bridge is heated, the balancing point.
Which of the following circular rods (given radius r and length l), each made of the same material and whose ends are maintained at the same temperature will conduct most heat?
A shining metallic ball with a small black spot on its surface is heated to very high temperature and then quickly taken to a dark room. Then.
A thermos flask is designed to prevent the contents of the flask from losing heat. Which of the following statements concerning the design of thermos flasks is incorrect?
A is a storage vessel that greatly lengthens the time over which its contents remain hotter or cooler than the flask's surroundings
Vacuum in a vacuum flask prevents heat transfer through process of-
The silver coating on the inner bottle of a thermos flask