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Question 30831
JEE Physics · Hard

Elasticity, Thermal Expansion, Calorimetry and Heat Transfer: Volume Expansion MCQ

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Volume ExpansionHardQuestion 30831

Question

A glass vessel full of liquid (γ_glass = 2.7×10⁻⁵ /°C, γ_liquid = 9×10⁻⁵ /°C) is heated by 50°C. Fraction of liquid that overflows is:
  1. A
    3.15×10⁻³
    Correct
  2. B
    6.3×10⁻³
  3. C
    4.5×10⁻³
  4. D
    1.35×10⁻³

Correct answer

3.15×10⁻³

Explanation

Overflow fraction = (γ_liquid − γ_glass) × ΔT = (9 − 2.7)×10⁻⁵ × 50 = 6.3×10⁻⁵ × 50 = 3.15×10⁻³.

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