Ashok Sharma Solutions for Chapter: Thermal Properties of Matter, Exercise 1: SELF EVALUATION TEST

Distinguish between heat and temperature?

What is meant by the statement that heat is an energy in transit?

Why are two ends of a long bridge generally kept on trolley?

Define specific heat and heat capacity?

A brass and an iron rod are each of one metre long at $0° \mathrm{C}$. Find the difference in their lengths at $100° \mathrm{C}$. Coefficient of linear expansion of brass is $0.000019$ and of iron is$0.000012$?

Define coefficient of linear expansion and coefficient of cubical expansion. Deduce relation between them?

Explain what is meant by specific heat of a substance? What are its units? How is molar specific heat different from specific heat?

Define calorimetry. What is its principle? How will you determine the specific heat by using a calorimeter.