Why is $\mathrm{J}$ called as conversion factor?   

Important Questions on Thermal Properties of Matter

EASY

11th CBSE

IMPORTANT

Super Refresher Physics 11>Chapter 11 - Thermal Properties of Matter>SELF EVALUATION TEST>Q 6

Do water and ice have the same specific heat?

EASY

11th CBSE

IMPORTANT

Super Refresher Physics 11>Chapter 11 - Thermal Properties of Matter>SELF EVALUATION TEST>Q 7

Distinguish between heat and temperature?

EASY

11th CBSE

IMPORTANT

Super Refresher Physics 11>Chapter 11 - Thermal Properties of Matter>SELF EVALUATION TEST>Q 8

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

EASY

11th CBSE

IMPORTANT

Super Refresher Physics 11>Chapter 11 - Thermal Properties of Matter>SELF EVALUATION TEST>Q 9

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

EASY

11th CBSE

IMPORTANT

Super Refresher Physics 11>Chapter 11 - Thermal Properties of Matter>SELF EVALUATION TEST>Q 10

Define specific heat and heat capacity?

HARD

11th CBSE

IMPORTANT

Super Refresher Physics 11>Chapter 11 - Thermal Properties of Matter>SELF EVALUATION TEST>Q 11

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$0.000012$?

HARD

11th CBSE

IMPORTANT

Super Refresher Physics 11>Chapter 11 - Thermal Properties of Matter>SELF EVALUATION TEST>Q 12

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

MEDIUM

11th CBSE

IMPORTANT

Super Refresher Physics 11>Chapter 11 - Thermal Properties of Matter>SELF EVALUATION TEST>Q 13

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