Heat Test - 27...

At low temperatures ................. type of thermometer is used.

Suppose a liquid in a container is heated at the top rather than at the bottom. What is the main process by which the rest of the liquid becomes hot ?

The rise in temperature of a substance depends on

A red hot brick is placed on an iron tripod stand which stands on a large block of copper. The brick loses heat by:

When you heat a bowl of water, we can observe that water starts circulating. This demonstrates:

In the diagram shown, will the convection current be clockwise or anticlockwise on the left part of the figure?

The water in an open pond remains cool even in hot summer because

Conduction is:

It is hotter over the top of fire than at the same distance on the sides because of:

Mud houses are cooler in summer and warmer in winter because