Question

1.what is the principle on which thermometer is based on?
2.why are the tyres of automobiles not fully filled with air during hot summer?Please Give me answer everyone know that I am smaller than all of u so please help me​

Answer 1

Explanation:

A thermometer is a device which is used to measure temperature of a body. ... The normal thermometer which we use, in our daily life, is filled with mercury. The principal used in any thermometer is expansion and contraction of liquid, i.e. mercury, according to the increase and decrease in temperature

Answer 2

Answer:

1.These liquid thermometers are based on the principal of thermal expansion. When a substance gets hotter, it expands to a greater volume. Nearly all substances exhibit this behavior of thermal expansion. It is the basis of the design and operation of thermometers.

2.In summer, due to higher temperature, the average kinetic energy of the air molecules inside the tyre increases, ie., molecules start moving faster. Hence, the pressure on the walls of the tube increases.