Define three coefficeints of thermal expansion. Establish relation between them.

Define the Thermal expansion.

Name the three types of thermal expansion.

Define the coefficients of linear expansion. Deduce relation between it and coefficient of superficial expansion and volume expansion.

How are coefficient of thermal expansions of a solid related.

Establish the relation between g and G

Define coefficient of real expansion and coeffieicnet of apparent expansion of liquid. Establish the relation between them.

Define Astronomical unit, light year and parscond. Establish relation between them.

Define amu and eV. Mention the relation between them.