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Thermal Properties of Matter — Physics STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 SciencePhysicsThermal Properties of Matter1 Mark
MCQ
A sphere, a cube and a thin circular plate all made of same material and having the same mass are heated to same temperature of $200^{\circ} C$. When these are left in a room
  • A
    the sphere reaches room temperature fast.
  • B
    the cube reaches room temperature fast.
  • ✓
    the circular plate reaches room temperature fast.
  • D
    all will reach the room temperature simultaneously.
✓

Answer

Correct option: C.
the circular plate reaches room temperature fast.
(c) :For a given volume, surface area is maximum for the circular plate and minimum for the sphere, so, circular plate reaches room temperature fast.

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