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Class 9
Chapter 10 Class 9 - Gravitation (Term 2)


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Example 10.7 Relative density of silver is 10.8. The density of water is 103 kg m–3. What is the density of silver in SI unit? Given Relative density of silver = 10.8 Density of water = 103 kg/m3 We know that Relative density of silver = (𝐷𝑒𝑛𝑠𝑖𝑑𝑦 π‘œπ‘“ π‘ π‘–π‘™π‘£π‘’π‘Ÿ)/(𝐷𝑒𝑛𝑠𝑖𝑑𝑦 π‘œπ‘“ π‘€π‘Žπ‘‘π‘’π‘Ÿ) ∴ 10.8 = (𝐷𝑒𝑛𝑠𝑖𝑑𝑦 π‘œπ‘“ π‘ π‘–π‘™π‘£π‘’π‘Ÿ)/γ€–10γ€—^3 10.8 Γ— 103 = Density of silver Density of silver = 10.8 Γ— 103 kg/m3

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo