Thermal Expansion of Solids, Liquids and Gases

A steel metre scale is to be ruled so that the millimetre intervals are accurate to about $5\times 10-5 \mathrm{mm}$ at a certain temperature. The maximum temperature variation allowed during ruling is (the co-efficient of linear expansion of steel $=10\times 10-6 \mathrm{K}-1)$

A metal rod is fixed rigidly at two ends so as to prevent its thermal expansion. If $L$, $\alpha$ and $Y$ respectively denote the length of the rod, coefficient of linear thermal expansion and Young’s modulus of its material, then for an increase in temperature of the rod by $∆T$, the longitudinal stress developed in the rod is

At what temperature does water boil under normal conditions.

What is normal melting point of a substance?

Co-efficient of linear, superficial and volumetric expansions are $\mathrm{\alpha }$, $\mathrm{\beta }$ and $\mathrm{\gamma }$ respectively. The volume of $\mathrm{\alpha }:\mathrm{\beta }:\mathrm{\gamma }$ is 

If $\beta$ is the pressure coefficient at constant volume then which of the following is true.

If $\alpha$ is the volume coefficient at constant pressure then which of the following indicates Charles law mathematically.

 The volume thermal expansion coefficient of an ideal gas at constant pressure is

Co-efficient of linear expansion for ionic solid is ${\mathrm{\alpha }}_{\mathrm{i}}$ and for non-ionic solid be ${\mathrm{\alpha }}_{\mathrm{n}}$ then

Co-efficient of linear, superficial and volumetric expansions are $\mathrm{\alpha }$, $\mathrm{\beta }$ and $\mathrm{\gamma }$ respectively. The volume of $\mathrm{\alpha }:\mathrm{\beta }:\mathrm{\gamma }$ is 

The _____ melting point, also known as the complete melting point because temperature at given rate becomes completely clear.

The melting point(K) of mercury is 236.

The melting point ( K) of aluminium is:-

What are the common factor which is responsible for increase in melting point? 

The normal boiling point of a liquid is that temperature at which vapour pressure of the liquid is equal to:

All liquids boil at higher temperature than their normal boiling point when they contain _____ impurities.

All liquids boil at higher temperature than their normal boiling point when they contain non-volatile impurities.

What is meant by Normal Boiling Point?

An iron ring of radius $2.1 \mathrm{m}$ is to be fitted on top of the rim of a wheel of radius $2.121 \mathrm{m}$. The coefficient of volume expansion for iron is $3.6\times {10}^{-5}{ \mathrm{K}}^{-1}$. By approximately how much should the temperature of the iron ring be increased so that it fits the rim of the wheel?

When a bimetallic strip is heated, it