CBSE Class 11-science Answered
7th numerical
Asked by lovemaan5500 | 04 Oct, 2018, 06:32: PM
Expert Answer
expanded volume of mercury = V×γ×ΔT = 256×1.8×10-4 × 80 = 3.686 cm3........................(1)
where V is volume before heating, γ is volume expansion coefficient and ΔT is increase in temperature.
expansion of glass = Vg×γg×ΔT = 256×3×4×10-6 ×80 = 0.246 cm3 ...........................(2)
subscript g stands for glass. we considered that volume expansion coefficient is three times of linear expansion coefficient
overflowing volume of mercury = 3.686-0.246 = 3.42 cm3
Answered by Thiyagarajan K | 05 Oct, 2018, 12:41: AM
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