Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermal ExpansionMedium2 minPYQ_2020
PhysicsMediumsingle choice

The specific heat of water=4200 Jkg1 K1and the latent heat of ice=3.4×105 Jkg1.100grams of ice at0 oCis placed in200 gof water at25 oC. The amount of ice that will melt as the temperature of water reaches0 oCis close to (in grams)

Options:

Answer:
A
Solution:

MSΔT=Ml

2001000×4200×25=m×340×103

m=61.7

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
2mℹ️ Source: PYQ_2020

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