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11.2 TEMPERATURE AND HEAT. We can begin studying thermal properties of matter with definitions of temperature and heat. Temperature is a relative measure, or indication of hotness or coldness. A hot utensil is said to have a high temperature, and ice cube to have a low temperature.
In physics, we need to define the notions of heat, temperature, work, etc. more carefully. Historically, it took a long time to arrive at the proper concept of ‘heat’. Before the modern picture, heat was regarded as a fine invisible fluid filling in the pores of a substance.
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What is heat is defined as the degree of hotness or coldness of a given body. The other way of defining heat is the ability of a substance to transfer heat energy from one substance to another.
NCERT Books for Class 10 English cover various aspects of English literature, including prose, poetry, and drama. The best part is that these books are available for free PDF download, making them easily accessible to all.
This gives access to the class 7 science chapter 3 question answers PDF elucidating fundamental principles crucial for understanding the subject's intricacies and topics such as temperature measurements, thermometers, heat transfer, etc. Table of Content. 1. NCERT Solutions for Class 7 Science Chapter 3 Question Answers FREE PDF Download. 2.
6 Νοε 2023 · Free PDF Download of NCERT Physics Book Class 11 in English. Students can also download the NCERT Textbooks Solutions in PDF for Class 11 Physics Book.
