Sarthaks Test
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We would like to make a vessel whose volume does not change with temperature (take a hint from the problem above). We can use brass and iron ( βvbrass = 6 × 10–5/K and βviron = 3.55 ×10–5/ K) to create a volume of 100 cc. How do you think you can achieve this.

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Iron vessel with a brass rod inside

(Viron / Vbrass) = 6/3.55

Viron - Vbrass = 100cc = Vo

Vbressrod = 144.9cc  Vinsideiron = 244.9cc

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