Transcription of Physics Notes Class 11 CHAPTER 11 THERMAL PROPERTIES …
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1 | P a g e (Visit for all ncert solutions in text and videos, CBSE syllabus, note and many more) Physics Notes Class 11 CHAPTER 11 THERMAL PROPERTIES OF MATTER The branch dealing with measurement of temperature is called thremometry and the devices used to measure temperature are called thermometers. Heat Heat is a form of energy called THERMAL energy which flows from a higher temperature body to a lower temperature body when they are placed in contact. Heat or THERMAL energy of a body is the sum of kinetic energies of all its constituent particles, on account of translational, vibrational and rotational motion.
Thermal Expansion Increase in size on heating is called thermal expansion. There are three types of thermal expansion. 1. Expansion of solids 2. Expansion of liquids ... Relation between coefficients of linear, superficial and cubical expansions β = 2α and γ = 3α Or α:β:γ = 1:2:3 2. Expansion of Liquids
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