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Question: Answered & Verified by Expert
In an energy recycling process, Xg of steam at 100 °C becomes water at 100 °C which converts Yg of ice at °C into water at 100 °C. The ratio of XY will be (specific heat of water =4200 J kg-1 K, specific latent heat of fusion =3.36×105 J kg-1, specific latent heat of vaporization =22.68×105 J kg-1)
PhysicsThermodynamicsJEE Main
Options:
  • A 13
  • B 23
  • C 3
  • D 2
Solution:
1893 Upvotes Verified Answer
The correct answer is: 13
Heat loss = Heat gain

m 1 L v = m 2 .L f + m 2 .S.ΔT

X×10-3×22.68×105 =Y×10-3×3.36×105+Y×10-3×4200×100

XY=7.5622.68=13

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