HARD
11th West Bengal Board
IMPORTANT
Earn 100

A bi-metallic strip, consisting of two different metal strips riveted together, is used as a control element in the common thermostat. Explain how it works.

Important Questions on Thermal Expansion

HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 16 - Thermal Expansion>EXERCISE>Q 4
Prove that the volume co-efficient of a solid is three times and the co-efficient of surface expansion twice the co-efficient of its linear expansion.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 16 - Thermal Expansion>EXERCISE>Q 5
What is a compensated pendulum? Describe a compensated pendulum you are familiar with.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 16 - Thermal Expansion>EXERCISE>Q 6
Cite three instances where the expansion of solids is put to advantageous practical application.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 16 - Thermal Expansion>EXERCISE>Q 7
A metal rod is rigidly fixed at two diametrically opposite points of a ring made of the same material. Show that the ring will remain circular even when heated.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 16 - Thermal Expansion>EXERCISE>Q 8
Define co-efficient of linear expansion and co-efficient of volume expansion of a solid. Find out a relation between the two.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 16 - Thermal Expansion>EXERCISE>Q 9
What do you mean by apparent and real expansion of liquid? What are the definitions of their co-efficients?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 16 - Thermal Expansion>EXERCISE>Q 10
What is the co-efficient of real expansion of liquid?
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 16 - Thermal Expansion>EXERCISE>Q 11
What do you mean by anomalous expansion of water? Explain with a graph, how the volume of a fixed mass of water changes with the change of temperature between 1°C and 20°C?