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Federal Board > 9th > Physics (Total Videos: 31)
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Chapter 6: Properties of Matter (3 videos)

6.1: spring constant
1. Find relation between load and extension (Helical spring)
2. More on Find relation btwn load & extension (Helical spring)
 
6.2: Density of body
1. Find density of body by Archimedes principle
 

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