Units and Measurement
NCERT Class 11 Physics Chapter 1, Units and Measurement — 12 pages, 1.0 MB. Read it below or download the PDF.
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What “Units and Measurement” begins with
CHAPTER ONE UNITS AND MEASUREMENT 1.1 INTRODUCTION Measurement of any physical quantity involves comparison with a certain basic, arbitrarily chosen, internationally accepted reference standard called unit. The result of a measurement of a physical quantity is expressed by a number (or numerical measure) accompanied by a unit.
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12 pages in the 2026–27 NCERT textbook.
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